Why does my heating unit keep blowing fuses?
If the valve is clogged, it may be keeping too much heat inside the unit or forcing too much heat out. This may cause the furnace to overheat, potentially causing a fire. If the furnace has incorrect fuses installed, it could be causing the fuse to blow. This will cause a fuse to blow.
Why does 5 amp fuse keep blowing?
Your thermostat wires or something in the heating circuit are going to ground. Since it works fine when you jump it at the furnace the problem is in the thermostat wire. Since the cooling works fine the problem is in the heating wire (usually W or white).
Is there a fuse for thermostat?
A blown fuse inside your thermostat will cause the device to malfunction. You’ll need to open the panel and locate the fuse. This is a small, clear cylinder with metal ends and a filament running through the center. If this filament brakes, the fuse has blown and will need replacing.
Why does my furnace keep blowing the fuse?
Sometimes the blown fuse in the furnace comes from a malfunctioning transformer. In this case, you will need a technician to come and replace the old transformer with a new one. If the fuse in your furnace is too small and cannot handle the wattage, it can cause your fuse to blow.
What happens when a fuse blows on a space heater?
Faulty wiring can result in an upsurge or sporadic bursts of current which can damage any connected electrical devices, including your space heater. In the case of your heating unit, the fuse will most likely melt to preserve the other components of the heater from further damage.
Why does my transformer keep blowing a fuse?
Answer: I have encountered this problem several times. Most of the time the problem ends up blowing the fuse on the control board, (if your control board has a fuse) instead of the transformer. In most cases the thermostat wires have shorted out somewhere and the thermostat wires are the problem.
Why do I need a drain valve for my hot water heater?
Water heater drain valves are used to drain the hot water from the tanks, which is a common maintenance task done to remove built-up sediment.