Table of Contents
Why is my heater continuously running?
If your thermostat’s fan setting is set to “On,” the fan will run all the time, even if the heating equipment isn’t warming your home. Other fan setting that may cause the device to constantly run include “Manual,” “Low,” “Medium,” and “High.” The solution is to simply switch the fan setting to “Auto.”
Why does my furnace blower not shut off?
Check the thermostat settings to be sure that you are calling for heat (set-temperature is above room temperature). Check that the thermostat FAN switch is set to AUTO not to ON. Check that the manual FAN ON switch at the fan limit switch in the furnace or air handler is not in manual ON position.
Why does my furnace run when the heat is off?
Your furnace fan limit switch is basically a control system that determines when the furnace blower assembly should turn on and off. So if your furnace blower is turning on and off when the furnace isn’t in a heat cycle, it usually means the fan limit switch is defective.
What to do when your heater won’t turn on?
The other option is to just switch to “Emergency heat” when its very cold outside. The heat pump won’t operate and all heat will come from Aux heat. This isn’t normally what you want to do, but in extremes, it could be needed.
Why does my air conditioner heat pump not shut off?
Problem #4: Air Conditioning outdoor condensing unit or heat pump unit will not shut off. It continues to run no matter what you do. The only way you can get the outdoor unit to shut off is turn off the breaker or pull the outdoor disconnect. Also, sometimes when the contactor fails the outdoor condensing unit will not come on at all.
Why does my electric space heater shut off?
Some electrical space heaters come with a built-in safety feature called the auto ‘shut-off’. This means that if your heater exceeds the core temperature, it was designed to withstand as per your owner’s manual, the heater will automatically switch off to prevent the device from heating up further and burning up or even exploding.
What should I do if my hot water heater keeps running?
Turn off the power running to the hot water heater before any pipes or gaskets get replaced. Don’t try to replace a pipe or a gasket unless you are sure that you know what you’re doing. Leave it to the professionals. When using a wrench to tighten a pipe, make sure to not tighten it so hard that it causes damage to the pipe.