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What follows is a very general answer.
If the questioner could add some more details to explain what kind of appliance or equipment is being asked about, then it is possible that a much more helpful answer could be given.
An electrical thermostat's element operates a switch. If either the element or the switch get worn out or damaged, then the switch may either stay open all the time or it may stay closed all the time.
If the switch stays open all the time there will be no current supplied to the appliance and it will stay cold. If the switch stays closed all the time the appliance will overheat because the current does not get turned off when the normal operating temperature has been reached.
If an appliance has been allowed to overheat then the insulation on internal wiring, or other internal parts, may have become damaged in such a way that a short circuit could be caused. Such damage would make a protective fuse blow every time the fuse is repaired or replaced.
If this is what is happening, the appliance itself will have to be repaired or replaced.
What else can I help you with?
Your 1980 Toyota truck keeps blowing fuses the gauge fuse which keeps your gauge dash lights and heater from working what could be your proplem?
there is a short somewhere in dash or heater, you need to fix that to stop fuses blowing
What do you do if the fuses keep blowing?
Find out why the fuse is blowing. You have a short or the circuit is overloaded.
How do you disconnect the alarm on a 99 Sebring also could it be the reason for blowing the linkable fuse for alternator and radiator fan?
The alarm is built into the body computer and can not be removed. If you are blowing fuses, you have an short to ground or a current overload.
Why does your heater and air keep blowing fuses cannot run it without blowing fuses?
There is an electrical short to ground in the fan switch or in the blower motor itself.
Why is 50 amp engine fuses blowing?
The 50 ampere engine fuses is blowing because more than 50 amperes of electricity is passing through it.
Why do your auto fuses keep blowing?
could be that the regulator in the alternate is failing and causing power surges in the electronics and the fuses are blowing to prevent damage to the device and vehicles wiring.
Why dont the heaters work in your citroen saxo the fuses are all ok?
One of the reasons you heater may not work is the thermostat. If the car keeps overhrating or the temperature gauge or light goes on/up could mean thermostat needs replacing if not not too sure why. Part is not very expensive I dont think. you need to carefully check all the fuses again /i did mine and looked at fuses all ok so i thought look again one not working hey presto /nothing to do with thermostat
Why do my fuses keep blowing in a 91 Ford Tempo gls?
There is a short somewhere.
Where is a principal fuses to cigarrete port in a front suzuki XL7 2006 no working and fuses is good?
Where is a principal fuses to cigarrete port in a front suzuki XL7 2006 no working and fuses is good?
What should you do if the brake lights keep going out on your 1992 Chevy Cavalier?
Are you blowing fuses or are the bulbs blowing? Blowing fuses would be a sign of any wires or metal contacts in your brake circuit grounding out or shorting on themselves. You'll have to check all of the wiring in your brake light/switch circuit to be sure.
How do you fix the heater in a 2001 L200 Saturn?
I would start with the symtoms, Is it not funtioning or is it not functioning well. For example is it blowing any air through thew ducts? Or is it just blowing cold air through the ducts? If it is just blowing cold air through the ducts it could be a number of things, from a faulty thermostat, to low coolant, to water pump failure, to a clogged heater core. I would check levels first and then possibly the thermostat. A thermostat is an easy thing to change for a novice mechanic, 2 bolts (10mm) and it comes apart. Fairlym easy to get to, it is located on the drivers side, (just follow the radiator hose to where it ends on the block. No special sealant is necessary since the thermostat has the seal built in. Another tip-off that the thermostat is failed it it will no pass emmisions inspection since the engine doesn't heat up to the proper normal operating temperature. If the blower isn't working then I would check all the fuses, it is also possible the fan is inoperative.
Your motor blower is good fuses are good still no air is blowing?
Check switch
