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Re: why do fuses keep blowing?
You need to ensure you are replacing the fuse with EXACTLY the same type as it was fitted with (or is indicated on the board). For example, if you put in a fast blow when you need an Anti-surge or Time delay fuse then it is likely it will blow often, even if you get the correct Amp and Volt rating.
However, if you have been replacing with the correct fuse, something is broken and it would have to be repaired by a professional who can fault find to component level.
A surge protector will only protect the appliance from damage due to surges, it will not stop fuses blowing. A surge is too fast an electrical pulse for a fuse to be affected in any way and electronic equipment already have protection against surges anyway to pass the stringent EMC/CE/Safety tests that they have to pass to be placed on the market.
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you may have a short of some kind, when a fuse blows repeatedly it is no good just replacing, you are being told that something is wrong with the equipment.
You will almost certainly have to visit a technician for a diagnosis. It is unlikely to be something that an inexperienced end user can sort out I am afraid.
There are three possibilities, a bad magnetron, high voltage capacitor, and diode. In rare cases the high voltage transformer will be an issue but unlikely, if the microwave oven is more than 5 years old consideration should be given in replacement.
the "Off/Clear' button to cancel anything on the display, and reset the
microwave. This is a soft reset and will simply get you out of any
program you have started. Press it when the cooking complete reminder
appears on the display.
a hard reset. Pull the plug out of the wall power supply, and wait a
moment. Plug the GE microwave back into the wall power supply to reset
any anomalies with the microwave's memory. You will need to reset the
time of day if you perform a hard reset.
the time of day. Press the "Clock" button, and turn the dial to set the
hours. Press the dial to enter. Follow the same procedure for the
minutes and a.m. or p.m. Press the "Start" button to start the clock.
most likely caused by a short, could be any were. start with the light assembleys remove it and clean any rusty or coroded spotspull all bulbs clean and or replace .auto parts stores sell an electrical parts wash about 9 to 14 $ . spray as needed let dry and put back together.if it still blows fuses its some ware in the wire s , could also be at the turn signal switch or the brake switch . you would have to get it to blow to figure out witch one it is and witch one it is not example put in new fuse then keep putting on the brakes if not blown then keep doin the turn signal then check to see if blown
Three possibilities; All related to blown fuses, 1- Fuse blown in the engine compartment LH. 2- Fuse blown in the cabin forward LH below the dashboard (below your legs left hand). 3- Fuse blown in the harness (wire bundles) below the dashboard very easy to reach with your hands “just look underneath steering wheel ". U said " The air conditioner blows, but the air is not cold. " Yes only the fan working which might receiving power independent all from those other mentioned things. If all fuses OK. Then look for broken wires. Regards; MAR
Thanks for this post. It inspired me to replace my fuse in my TV and it is working great now... I took pics of the process in case anybody wants to see what they are in for. http://joedotcom.com/2009/09/01/panasonic-fuse/
Although I did use a 6.3a fuse (just like I removed). I read on another forum that you can replace it with a 7a fuse and get better results. I have had this TV for years and this is the first blown fuse. If it becomes a reoccuring theme, i may up it to the 7a.
If the fuse rating is correct as indicated on the board, then the PTC is probably busy going faulty. If not sure where it is located, normally on the front where the switch is and where the coil that sits around the tube is connected to the board. Little plastic box with three pins(sometimes two) black or cream in colour. Some circuits use a disc type with 2 legs, however not sure on your set. This is called the degausing circuit and demagnetises the tube every time you switch the TV on. Good luck, JUS004