Mercury Product Protection® extended service plans. Jump to Latest Follow 1 - 19 of 19 Posts fuse #10 besides other things, supplies power to the Instrument Cluster A1 for the SRS. I thought the power supply on the computer was shot, so I ordered another on ebay for a super reasonable price, and it didn't fix the problem (on the plus side, I. A little help? as is the radio clock power supply line. That fixed it for about a week. This item: Pentair 521248Z Power Center Fuse Holder Kit Replacement IntelliChlor Pool and Spa Salt Chlorinator… $16. It's set to 115 volts and I'm getting between 123 and 128 volts throughout my house. Right side number 5 is the top box power supply, left fuse box number 5 is ignition and instruments. 99 In Stock. Do you think there is a problem with the motor in the aquabot cleaner itself? MY husband let it run when it was stuck out of the water upside down. By Jamie Lendino on April 19, 2017 at 4:07 pm; after years of proprietary adapters and ugly wall-wart power supplies. Relay hums loudly on board when the power is turned on. I *believe* the power supply in the PSW10 is a 110-120v non-switchable power supply. This is ohms / watts law (watts = voltage x amps). The receiver weighs 82 pounds but, for easier moving (e. Since the original fuse was almost certainly hot when it blew, putting a new fuse with the same rating in may allow a malfunctioning amp to draw even more amperage than it did prior to blowing the old fuse, which could result in further internal damage. The power supply is hot at all time and controlled by. The fuse that keeps blowing is the centre fuse that is missing. All ways when replacing the fuses replace both even if only one is blown. Now the X and Y axis fuses keep blowing as soon as the PSU is switched on. The two most common types of ground faults are negative and positive ground faults. put in anoth fuse,poof, same thing. Assuming no damage to power cable, if it's blowing the fuse with no speakers connected, it's likely one of the output devices fritzed, or possibly transformer. For whatever reason the the fuse in the power feed to the central central heating blew. I never had the need to replace a fuse in these type of 12v DC power adapters so I didn't know that all you had to do was to rotate the metal tip to get the bad fuse out. Sounds like a new power supply under warranty is pretty definitely the first step. i can't take voltage readings cause the fuse is in the very front. I suspect short in the IC40. Power Supply - Plug Fuse Keeps Blowing I'm using a Dell psu PA-6 Family - Model ADP-70EB rated at 3. It was just an odd set of circumstances. If the fuse doesn't blow then start plugging in the power ports one at a time until the fuse pops. ELECTRICS 72 EC444/EC445/EC455 POWER CONTROL SYSTEM EC444 / EC445 / EC455 2. Power line spike long after power up? These spikes are how big and how long? Put those numbers into the chart. The Philips A2776MPW-001 Power Supply / LED Board Component Repair Kit includes all necessary components to repair common failures on the main power supply board. It had a new power supply, heatsink and fan about 6 months and was fine. Chrysler will notify owners, and dealers will replace the power steering return hoses, steel tubes, and power steering oil cooler, free of charge. If you could give me specific points to check, that would be great. My 99 suburban Ecm-1 fuse keep blowing - mmmmmm try checking all grounds are tight and clean. Since 2001, the Pro-C has been the contractor’s choice in residential irrigation control. If the fuse doesn't blow without the power tubes = you have a bad tube(s) in the original set. If the filter caps do check out OK, look around for a heavy duty short somewhere in the power supply. by Matt (Newtown, CT) I have a Two and half year old Aquabot. If you need help navigating this module, please click the Help button in the top right-hand corner. 03/A0 - Power supply IKE -> 8C. I looked at the switch light and. After that, I'd be suspicious of the power transformer. It's not a California truck so there is only one O2 sensor. Basically, after running the computer for awhile, and restarting, the PSU would blow out the fuse in my room. 17) PC power supply information (pinouts, testing and non-standard uses) Chapter 7) Repair Information and Parts Sources. PCM Fuse 1997 Ford F150 4. Why would a Falcon 8200 Series operator be blowing the fuse?. I wasn't even printing at the time. / PD9200 Series RV Power Converters The Progressive Dynamics 9200 Series INTELI-POWER converters are UL listed for the US and Canada. Y Same position in power supply blows fuse with different cameras Y Same cable blows fuse in different position on power supply I just disconnected the power leads from the camera itself and left them hooked up to the camera power supply, replaced the fuse and it blew. The fuse just stops the damage from becoming a fire or a greater catastrophe. If the fuse is blowing, it has to be because there is too much of a current draw somewhere in the circuit. that being said, it is a problem in the power supply part of the amp, as evidenced. Back to Sam's Laser FAQ Table of Contents. might want to look into a switcher kit from Arcadeshop. I was using a "12Amp" power supply. I cannot afford to keep blowing-up programmers to try and solve this. Power Supply - Plug Fuse Keeps Blowing I'm using a Dell psu PA-6 Family - Model ADP-70EB rated at 3. ASSEMbler - Home of the obscure. This disables most the electrical circuits in the car and keeps the battery from running down. This system relies on the 110-volt AC electrical power supply for amperage. If you built the computer and cannot get it to turn on, the power supply may be defective or does not meet the power requirements of your computer. I am guessing a power Mosfet or IGBT is shorted placing full power on the motor leads. Buy products such as 100-pack 5x20mm Glass Fuses Fast-blow 0. Each Dual 2 OHMS 300 Watt RMS 600 Watts Max. If it does, you have a problem in the power distribution box. I have also tried shorting the fuse. I would get the proper power supply plug for it. How does a power supply work? Why is it important to choose a sufficiently powerful and efficient model? We guide you through discussions of efficiency and tips for getting the best deal before we. The immediate answer I can tell you without seeing the schematics and details is that your load is drawing too much current, and therefore your fuse blows each time. Maybe one hundred consecutive spikes would occur before the fuse even considered blowing. I have a ic40 that has been in service for about 9 months. The transformer / power supply topology determines the fuse type: Toroidal - slow acting fuses, because of the inrush current at power on. In order to blow your fuse, you must create a complete circuit using the power supply, wires, and fuse. When it comes to American Glass and Ceramic Fuses, Grainger's got your back. What to do when your lawn sprinkler controller fuses keeps blowing. A dirty power signal can cause havoc in your LCD. If you have a 600 volt power supply, you can only test 600 volt, and higher, capacitors. A common car audio question I get is, "What size should my fuse be?". Another things could be too. Power supply fuse keeps blowing Hi, i have small portable Humidifier which was working fine. It is typical that after a day or two of replacing a fuse, the new fuse. When the supply was connected to a piece of grounded equipment, that 24 Volt potential was shorted out, blowing the main power supply fuse as well as a fuse in the grounded equipment. You can tell if the problem is in the power wire by disconnecting the amplifier from the power wire, and insulating the amplifier end of the wiring from grounding against the body of the car (using electrical tape for this will work just fine). Confirm the. Because we didn’t want to keep replacing fuses over and over again, I advised my brother to use a large car light bulb of about 12V 5A with a 10A fuse in series. 5amp s/b) when switching on when its been off for a while, once I replace the fuse it switches on fine and plays great until the next time I switch it off, leave it for a while and switch it back on, and then blows again. 2 Red Ignition/Acc. It will take the overload instead of blowing fuses. 1a) Remove backup fuse (i. why does this happen?. Free Same Day Store Pickup. « previous next. Fast blowing fuses are typically used in situations where protection against instantaneous current peaks is required to prevent damage. Switched mode power supplies - fast acting fuse: there is a standard, IEC-60127. A properly-configured relay harness has fuses in the power supply side of the headlamp power circuit, as close as possible to the power pickup point—within inches of the battery + or alternator B+ terminal. Buy products such as 100-pack 5x20mm Glass Fuses Fast-blow 0. 1985 Subaru GL Wagon - Electrical Problem, keep blowing out a 15 amp fuse for the Brake Lights, Dome Light, and Map Lights. For these, the correct solution is to wire it in without a fuse but to a trip switch for the correct rating - and usually a 'Type C', which are more suited to the sudden current draw of compressors. Call an electrician, close the docket and get paid. I am guessing a power Mosfet or IGBT is shorted placing full power on the motor leads. If the fuse doesn't blow without the power tubes = you have a bad tube(s) in the original set. I keep blowing fuses trying to figure out my problem. it keeps blowing the fuse. The first items to suspect are the bridge rectifier (in the red oval) and the switching device (behind the clip identified by the red arrow). Mercury Product Protection® extended service plans. Fuse holders often break (especially for Bally EMs), leaving a game non-operational Part# FUS-HLDR. See if the fuse still blows. PSU keeps popping fuses. Is there anyway that I can test that it is knackered and needs to be replaced and not a just a problem with the electrics? ie, can I attach a plug to the oven & plug into another socket - or connect an appliance into the oven circuit. This is very important! When you add wires that weren't there by the vehicle's original design, you must properly protect the new. My incomming voltage is 238-240. So, my amp keeps blowing fuses, i took the transformer out, tried to turn it on and it blew a fuse with nothing connected to the secondary windings. My powered speaker keeps blowing fuses. My PC power supply keeps blowing the fuse. Is your power amplifier fuse blowing during power switch ON? It could be happening due to the initial high current drawn by the loudspeakers, when power is switched ON. new pool owner here, I'm a very DIY kinda guy and want to fix this thing myself. I keep blowing a 20amp fuse for my lights. Put the power supply back into position. A good designer will not just look over their circuit design and extensively test it to ensure that it meets all of the specifications over the temperature and other environmental conditions, but will employ some level of protection as needed like a fuse, PTC (Polyfuse) or maybe an e-fuse. Also, it would be very stupid to try bypassing a fuse! Occasionally the washer might work ok and appear to have suffered no ill effects. But I do know that it is not uncommon for compressors to state that they need a larger supply, such as 16a. 10 Amp Hvac Fuse Keeps Blowing? By You can disconnect the motors and test them on a bench with an ammeter and proper 12v power supply that an electronics guy. An example of this is the H/T or B+ fuse on Marshall and other amplifiers. design allows for easy connection into fuse sockets. Jump to Latest Follow CODE READ FOR ABS ESP WAS 5967 POWER SUPPLY HIGH PRESSURE PUMP. If there is voltage present at that terminal it is the cause of your problems. i have a second machine i can cross reference the power-supply to try. All ways when replacing the fuses replace both even if only one is blown. Don’t ever open your computer’s power supply or try to fix it yourself. at 1A, protected by resettable fuse. I'd suspect the power supply, in particular the. Failures in subwoofers are caused either by ELECTRICAL and/or MECHANICAL power handling issues. Does this indicate that the problem lies elsewhere than the Power supply? Thanks. After troubleshooting, I found that the fuse in the power center had blown. i thought that the problem was exposed wires in my head unit wiring harness so i cleaned that up but the problem. But the unit works for a while in between, then seems to take out both rail fuses at once on powerup. Any ideas, suggestions appreciated. The negative feedback also improves amplifier linearity by reducing IMD to a level lower than that attainable when the tube is driven at its rated driving power without the feedback resistor, it helps to keep tube operation in its linear region. Order Honda Accord Fuse online today. It's as if these 20 amp fuses are blowing with continuous loads of less than 10 amps after a few hours. You can check for continuity across the fuse and. Electrical circuits of your home are protected by either circuit breakers or fuses. - fast acting fuse. Question: Q: Imac keeps blowing ac adapter fuse Hi there I'm new to the 17" iMac G4 flat panel and I have an issue with it - I put the ac adapter into the power supply and the fuse blows everytime so I can't even attempt a boot up - whats the process of ellimination ?. Connect the black wire directly to earth. The rocker switch is the on/off of the power supply, check if it's there is resistance not smooth to turn on/off. It keeps blowing the fuse as soon as I turn the power switch on. I have also tried shorting the fuse. I once used the. If there is voltage present at that terminal it is the cause of your problems. Replacing the fuse in the fuse box located under the hood labeled "P/OUTLET NO. I had that same fuse blowing trouble a while ago with a bad cell phone charger that I had plugged in. Firstly please make sure you are using the correctly rated fuse for the plug do not put a larger fuse in as this is not advisable and may not be safe. On the fender it only blow fuses like 10 seconds after it is turned on. have removed power from the filter caps. First I thought it could be a bad pump so I replaced the pump and that wasn't the problem. Keysight support suggested replacing the ASTEK MPU resistor in the wire harness. I put in a 30 amp fuse and it has not blown yet. which includes a small wire harness that must be used and a small Mylar cover that fits over the fuse. Continuously variable, 0-2. The neck doest glow either. It seemed to work for a few days on and off until a few moments ago. I have replaced it a couple of times but it blows soon as the power is switched back on. Maybe the power supply for the sirius is bad. The AC power control panel distributes this power to the appliances and outlets that use AC power, for example the air conditioner. The thing can't be triggered without power, so don't bother, but when trying to lock/unlock, it wasn't moving anyway, as if it had no power, and because that wasn't moving, it was stopping the mechanical lock operating manually. None of the smaller fuses blow. This would either be a shorted transformer winding, a blown power supply filter capacitor, or a shorted regulator IC chip. *(my old power supply (12v 20A) spontaneously failed on me one day, taking the D8 mosfet with it. The fuse that keeps blowing is the centre fuse that is missing in the photo. (the fuse the keeps blowing) is. 1985 Subaru GL Wagon - Electrical Problem, keep blowing out a 15 amp fuse for the Brake Lights, Dome Light, and Map Lights. But I do know that it is not uncommon for compressors to state that they need a larger supply, such as 16a. I noticed the fuse was bad, so I bought the replacement from Newark, soldered it in, blows as soon as AC power is applied. Trending at $107. My aquabot keeps blowing the fuse in the power box. Try\check the following: Plug another appliance into the same socket – if the fuse in the new appliance does not blow there is something wrong with the original appliance. 17) PC power supply information (pinouts, testing and non-standard uses) Chapter 7) Repair Information and Parts Sources. So I replaced the fuse box. Blown fuses can't be repaired. Fuse Links Fuse links can be applied to a variety of applications requiring overcurrent protection of distribution systems and equipment. The thermal fuse and other thermostats can be check with a volt/ohm meter if you have access to one and are comfortable and confident using it. It will take the overload instead of blowing fuses. Most Astron power supplies connect the negative output terminal to the chassis, which is grounded through the power cord. I just noticed last nite that I have no bass signals except from my mains. It's as if these 20 amp fuses are blowing with continuous loads of less than 10 amps after a few hours. The power and modeling light will come on but the strobe won't fire. Re: Ahh!!! help my car keeps on blowing this fuse!! First off, have you added any aftermarket electronics? second, any obviously damaged OEM parts? thirdly, if you have to ask. Now my problem has occured again and the fuse blows immediately. I have the same issue. but only J1B3 front panel power on sokets connected, after that its tripping message edited by gkchguru. have removed power from the filter caps. August 6, 2018, 8:29pm #1. The thermal fuse is located in the rear of the dryer and can be accessed by removing the rear access panel. If you haven't messed with any wires or anything near any wires right before it started blowing fuses then it's probably time to get a new pump. If you keep tripping breakers in your home's breaker box do you blame the breaker and give the breaker manufacturer poor ratings? They may have just protected your house from burning down. it tends only to be when I am doing something that uses alot of memory, especially when trying to. It can protect the igniton switch from blowing out, and the $300 combo switch melt down. put in anoth fuse,poof, same thing. (the fuse the keeps blowing) is. When your power supply dies, it can mean two things - either a fuse has been blown, or it has a loose wire. Often if you have a radio that keeps blowing fuses and won't power on the issue may be that you have a blown diode inside the radio. PCM Fuse 1997 Ford F150 4. You can tell if the problem is in the power wire by disconnecting the amplifier from the power wire, and insulating the amplifier end of the wiring from grounding against the body of the car (using electrical tape for this will work just fine). Anyways, the fuses are rather expensive, Class CC time delay fuses, rated for 5 6/10 amp (the replacements I use are Ferraz Shawmut ATDR5-6/10) Is there a reason these fuses are blowing ?? There's no abnormal sound coming from the unit (unless there are blown fuses in which case I think the compressors are working a bit hard). When blowing fuses or not getting power into the sub, I always do 3 things. the 40 amp fuses in the amp blow,but not the big fuse up front. However, the sections on power problems, hiss, and hum should work pretty well for any tube amplifier. The AC source is not the problemI checked it with multimeter and thats ok. If there is voltage present at that terminal it is the cause of your problems. I might have heard something electrical short or buzz and now the box is dead. (I was using 2 amp fuse, looked like original) I checked voltage out of supply, was ok, but voltage at motor terminals, under putty, was intermittent. The piggy back unit should be fitted so both fuses are tapping power from the bus side. Since 2001, the Pro-C has been the contractor’s choice in residential irrigation control. Here is the fuse listed below:-1. The other main reason a computer keeps blowing power supplies is overheating. I thought the power supply on the computer was shot, so I ordered another on ebay for a super reasonable price, and it didn't fix the problem (on the plus side, I. It's not rocket science. As soon as I hit the power button, the fuse blew again. The psu is about a year old and was brand new when I got it. My power outlets are also on that fuse. I am out of fuses and Ideas. Washer nozzle heaters, glove compartment light, memory seat control module (10A). If you seem to be stuck in a loop of buying new power supplies and then blowing them, two things are likely happening. ) With the amp off, pull the power tubes 2. In this short review, we have covered several pretty common reasons to why does fuse keeps blowing in car. The reason it blows fuses could be: the condenser unit is short to ground, electrical wire is loose, high discharge pressure, bad compressor. Older Ford 6. I had that same fuse blowing trouble a while ago with a bad cell phone charger that I had plugged in. Unintended high-resistance faults in wiring can raise the conductor temperature to the. design allows for easy connection into fuse sockets. Re: Power Supply Keeps Blowing Fuse by uoip on Mon Feb 06, 2012 6:40 pm Whether you see continuity depends somewhat on the way the output stage of the power supply, and whether your meter uses a high enough voltage to turn on semiconductor junctions, and perhaps on which way you connected the probes to + and - sides. Looked at fuse tag on the back of the unit and went to home depot and purchased some 1amp fuses. Breakers trip and fuses blow when too there's too much amperage in the line. Additional reasons your power can be out while other houses on your street have power include: Fuses or circuit breakers in your home may be tripped. it tends only to be when I am doing something that uses alot of memory, especially when trying to. Skuits, Apr 28, 2014, in forum:. Did that work and is it still working. • Do not use any fuse (such as copper, steel wire, etc. Replacing the fuse in the fuse box located under the hood labeled "P/OUTLET NO. I have trouble shot to the 5A fuse (next to the 15A fuse on the fuse box). That's the way to do it. Does anyone have ideas why I might be blowing fuses on the power supply of my A30? Last week, my printer died mysteriously mid-print while I was out of the room. which includes a small wire harness that must be used and a small Mylar cover that fits over the fuse. Dedicated circuits ensure major appliances that draw a lot of electrical current are able to access the energy they need without overloading your system, blowing a fuse or tripping a circuit breaker. I'm wondering if the cell is likely dead? I disconnected the cell's power cord and ran the pump again for a few minutes. Maybe one hundred consecutive spikes would occur before the fuse even considered blowing. then i test the end of the cable where it plugs into the cam, it. Fuse Keeps Blowing? - My amplifier fuse blew a little while ago when it started getting colder outside. If not, you need to check the 12-volt supply wire for shorting to ground. It keeps blowing the Slo Blow Fuse 1amp after being turned on for 30 seconds. Bought the Boston Soundware XS 5. You can try removing them before you power up the amp again, to see if the fuse still blows. Application. The power and modeling light will come on but the strobe won't fire. One of the fuse keeps blowing up every time we try to connect a camera. My IC40 has no power (lights). There are many possible reasons why the car cigarette lighter keeps blowing fuses. I installed another power supply and the box is still dead. to/2X3Lzgi Buy Panasonic 4K Camera HERE! Amazon. I've cleaned it with the acid wash and inspected. We'll use the Quick Configuration so use those menus, not the checkboxes. More than 20,000 Victorian households have had a sleepless night after scorching heat crippled the state's power "There are a lot fuses blowing in the hot weather and a significant power pull. (or 3 hair dryers) The Fuse prevents the fire , by interrupting this faulting path. I use it to power a phone and that's all. that being said, it is a problem in the power supply part of the amp, as evidenced. However, the sections on power problems, hiss, and hum should work pretty well for any tube amplifier. The fuses would melt so bad and that I used a plier to remove because it was very hot to take out. I followed the post on BadCaps. Attach the mains plug to the power supply. The first items to suspect are the bridge rectifier (in the red oval) and the switching device (behind the clip identified by the red arrow). so i opened its pcb where i saw blown fuse. Why does the Fuel PUMP fuse keep blowing and the transaxle fuses have no power in my 2002 saturn sc? kilowatts it is customary to fade them up to avoid overloading the power supply and perhaps. Fuse holders often break (especially for Bally EMs), leaving a game non-operational Part# FUS-HLDR. When we connect the camera to the power and then connect it to the coaxial cable, there's spark coming out. A few months ago, the fuse was blowing constantly. After doing a lot of process of elimination I found that my power supply was bad, or so I thought. The ground fault protection (GFP) fuse is blowing due to excess current flowing between ground and the grounded terminal of the PV array. Click on that link in a new window and select ATtiny2313 for the fuse calculations. OK Here is one for all you techs to have fun with. The rocker switch is the on/off of the power supply, check if it's there is resistance not smooth to turn on/off. The power supply doesn't have to be adjustable but things may be easier if it is. The most important component you'll install in a car audio system. re: avr generator board keeps blowing 03/25/2009 2:55 AM Thank you for your advise, we have sorted the problem out with a new AVR and having the Generater rewired completely, everything now working well. Just click on the appropriate links, making the appropriate tests as needed. i thought that the problem was exposed wires in my head unit wiring harness so i cleaned that up but the problem. Would you like to contact Support regarding the "Xbox One Power Supply Solution" issue you were reading about or a different issue?. I'm having a problem with my 99 nissan altima's alternator and battery system after I accidentally touched (with a wrench) the power terminal of the alternator while the battery was connected causing a spark. com * Your best option in driver boards for CNC machines I have used it dozens of times without problems. • Do NOT hang by power cord or lamp cord. 25A 250V, resistance of it is 16ohms. ) Fuse Holders. then it is 4 gauge to the amp and 12 gauge to the speakers. After doing a lot of process of elimination I found that my power supply was bad, or so I thought. Power on, fuse out, just like that. The thing can't be triggered without power, so don't bother, but when trying to lock/unlock, it wasn't moving anyway, as if it had no power, and because that wasn't moving, it was stopping the mechanical lock operating manually. Wht do I keep blowing fuse? Discussion in 'Hardware Most battery back-ups use a switching power supply design and when these kick-in or are turned on they can. These two are the most common when there is no power to the machine plus the fuses. Of course their are other possibilities like the output transistors or the transformer itself. The negative feedback also improves amplifier linearity by reducing IMD to a level lower than that attainable when the tube is driven at its rated driving power without the feedback resistor, it helps to keep tube operation in its linear region. A transient on the incoming power supply(i. Trending at $107. Generally this means that the power supply FETs are shorted or the reverse protection diode is shorted. I am thinking that all of this is working off of the same fuse. A common car audio question I get is, "What size should my fuse be?". If all of a sudden you start blowing the main fuse, it's possible one of your rectifier diodes has failed, letting current, from the battery flow back to ground. Connect the black wire directly to earth. uk For the safe operation of all. Fuse keeps blowing out! VW MKIV-A4 TDIs (VE and PD) Nobody else out there has had the front power supply fuse blow repeatadly for no reason?. Those experienced electronic repairers know that having the right procedure to troubleshoot and repair power supplies is the key to long-term succ. Interior light fuse keeps blowing. Try auto zone or a haynes manual and see if there is any info on injector resistance, and coil/ dist resistances etc. If none are found, disconnect the primary of the power supply transformer. When we connect the camera to the power and then connect it to the coaxial cable, there's spark coming out. It was not cut at the injection points. One is my own, one is one I built for someone else. com or Mikesarcade. tall sheepskin boots. Recently it dies on the highway and the engine management fuse keeps blowing in the main fuse box under the hood. Output transistor on - side keeps blowing have you done a basic check on the power supply ? The only fuses I see are in the power rail before the driver and. The resistors are heavily loaded and run hot, same with the mosfets. Re: New GPS/Chartplotter install, keeps blowing fuses From what you are describing, it sounds like you may have a short in the 12v power outlet. the fuse protecting the un-switched power), disconnect alarm (if any), disconnect R/R, disconnect Condenser (so that there's nobody left on the un-switched power line) 1b) With the battery disconnected, use an ohmmeter or continuity tester and check continuity between battery + and - leads -- there should be none. Just don't forget that a blowing fuse is a secondary failure that's always caused by something. when i on my workstation, my power fuse getting tripped. Amp in Protect Mode - Troubleshooting. I noticed the fuse was blown in the power cable because the green light on the adapter end wouldn't light up. 170 leads for plugging into subminiature fuse holder. Blown fuses can't be repaired. Now as I said, I am still green and learning. After replacing the fuse with the correct value, this kept the fuse from blowing for a few months, but it just blew again today. The Power to Get it Done SKIL PWRCore X™ includes PWRCore 20™ and PWRCore 12™ cordless systems, each with a range of innovative tools. When your power supply dies, it can mean two things – either a fuse has been blown, or it has a loose wire. TV Fuse Keeps Blowing. (Fuse was fine). Some common RV furnace or heater problems can be solved with basic troubleshooting and simple repairs. Risk of fire. The fuse just stops the damage from becoming a fire or a greater catastrophe. Switched mode power supplies - fast acting fuse: there is a standard, IEC-60127. I use it to power a phone and that's all. You can make a few checks here. I feel like the father from A Christmas Story. The fuse is near where your power cord plugs in On the circuit board. Its my collegues computer. AC power comes into the RV from your generator, or from the campground or other outlet you plug it into: a 20-amp, 30-amp, or 50-amp supply. yes it was set on off and the fuse keeps blowing, we event disconnected from battery and electricity plug in and as soon as electricity is turned back on the fuse blows. As soon as I hit the power button, the fuse blew again. W164 2007 ML500 front windshield wiper fuse #60 keeps blowing.