The furnace switch (located on or near the furnace, looks like a common light switch) is turned off and simply needs to be turned on, though the furnace might have a short delay before starting The circuit breaker is off, and if the circuit continues to trip after it is turned back on...
It’s the job of the high-level/high-limit switch to shut down the furnace if the temperature in the combustion chamber reaches a certain temperature. This excess heat can be caused by a leak in one of the combustion chamber tubes or by the improper exhausting of the hot air (which ...
down the furnace causing no heat. The vacuum line can be removed and the hole cleaned out with a small Alan key or anything small enough to fit in the hole with out breaking off. After cleaning it out you would need to shut power off at the furnace power switch to delete error code....
ignite the gas, if necessary. The motor continues running and holding the sail switch on and when the flame starts (usually at the first spark) it heats up the spark gap probes, which produces a tiny voltage, which in turn signals the control board that the flame is on so the...
Turned out the pilot was a dummy switch because it was turned into an electrical ignition, and there was an Emergency Gas switch I never noticed before (had only registered to me as “red switch – don’t touch”). We had shown the apartment Friday night and the guy must’ve flicked ...