2 be sure the furnace s circuit breaker is on or that its fuse has not blown.
The heater is not working.
There can also be a problem with the wall electrical outlet or your home s electrical supply.
1 be sure the heater s thermostat is set to heat if yours is a heating and cooling system.
A car heater that isn t working could be caused by several simple issues.
Coolant air lock did you top off the coolant as described above.
Either the blower isn t working in which case you may get warm air but not much of it or it is blowing air but it may not be very hot.
A water heater that produces no hot water may not be getting power or it may have a tripped limit switch or one or more failed heating elements.
Most space heaters have an automatic shut off that is activated when the heater tips over or gets too hot.
Controls not working correctly.
Check both the main electrical panel and any secondary subpanels that supply power to the unit.
First check the water heater s circuit breaker in the service panel to make sure it hasn t tripped.
Heater cores in a nutshell are cooling system parts that resemble compact radiators.
Try resetting it to see if that fixes the problem.
A different reason for the heat to not work would be a lack of coolant going through the engine.
Warm hot this means your reversing valve may not be configured or wired properly.
Coolant may not be traveling through the heater core properly the air from the blower motor is not reaching it or there s a clog in the small tubing of the heater core.
Heater not working some homeowners find the heater not working when they need to heat their house.
Most electric heaters will automatically shut off if they tip over.
Next check the heater s thermostat if it has one and make sure it s set to the correct setting.
Here is what to check if your heater or defroster isn t working.
If your heater s controls seem to be faulty first unplug the unit and plug it back in to see if that resolves the issue.
This will cause plenty of other issues but there won t be enough coolant to sufficiently warmup.
As odd as it may sound this is not an unusual problem.
Continue to the thermostat wiring section.
While there are a variety of reasons your chevrolet silverado 1500 heater is not working the most common 3 are a broken heater blower motor a problem with the thermostat or a failed heater blower motor resistor.
Contact support at 1 855 733 5465 to find a pro installer in your area.
Your electric space heater may fail to work for a number of easy to fix reasons.
If the breaker has tripped switch it off then switch it back on again.
31 of the time it s.