I have a rheem RBHC-17J14SFA Electric furnace with a heat pump that was installed in 2002. The fan doesn't ever turn off, even when the t-stat says it has. I have also turned off the 24hr timer. I have to turn off the breaker to get it to stop. Any ideas?
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Re: Rheem RBHC-17J14SFA elec furnace fan won't stop
Sonds like u have a bad safety switch they r round and have 2 wires on them usually and u can check them by taking the wires off of them and checking continuity thru them there might be one on the blower housing also either that or ur blower relay may be bad and stuck closed
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Hello, usually when the blower runs continously it is a problem with the relay on the intergrated control board, when the relay sticks the blower will keep running. The problem is the relay can't be replaced on the board, the whole board must be replaced.
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Heat pumps tend to blow a much lower temperature outlet air than a gas fired unit would. Is this your first year with this furnace? Depending on your outside temps, an auxiliary heat strip may not be operating properly.
Is there a setting on the thermostat for Auto or Fan? If so, make sure it is in the Auto setting. You will have a contactor that turns on the elements and a relay for the fan. Follow the wiring diagram to see which relay energizes the fan then unplug it to see if the fan stops.
unfamiliar with watt restrictors.
heat strips have 2 safety devices, a thermal overload, they get to hot they shut off, cause not enough air flow increase fan speed this device is auto reset. a fusible link a fail safe to thermal over load, no reset and sometimes replaceable. if this does not help would like to ask you a few questions. one of the buildings i take care of has 200 + reem/ ruuds all electric heat. if a part is defective replace, please do not by pass. safety frist.