...Check on t-stat that you are on fan auto setting not fan on if you are on fan auto either t-stat failing or fan relay at indoor unit is stuck on .first turn high voltage off to indoor unit go to ...
...check to see if the fan switch on the t-stat is in ON or AUTO? If ON the fan runs nonstop. If in auto the fan cycles with the outdoor unit. next does the fan shut off if you turn the t-stat to off? A ...
...check the defrost relay for the fan when a heat pump condenser gets frosted it will stop the fan and reverse into cooling mode for a few min. to melt the ice and this function is done by a relay or a ...
...check fan relay, or board or motor/cap etc.If the fan does run with the fan switch set to on, but not in cool mode, the auto function that sends power to green /fan via yellow?cool terminal in the ...
Question about Dometic Heating & Cooling
...Fan is always running. What can we check for? It sounds like your unit may have a bad run capacitor or start capacitor and relay. Low voltage will also cause this problem. First you need to make sure ...
...fan does not. Fuses check OK - compressor stops in short time. Fan never starts, just a hum, and hot to touch. Could the fan be the problem, or starter relay??? Help please. It's Either the fan motor ...
...fan relay onthe relay box and the little switch that you turn fron auto to off to on . I need a wiring diadram for the furnace and the relay box . i think someone has messed with the wires. Check out ...
...off for high head pressure? Relay for the compressor may be stuck ( Contacts welded) both the fan and the compressor should operate at the same time. Have the relay(s) checked and possibly
fan fuse,or relay?this is when you turn on ac,right?If fans and relays are ok,,then look for the high side switch to be at fault.This cuts the fans on when pressure gets up high on the high side of ac
...Depending on the age of your Trane unit. The fan relay has a time delay. This is a solid state board on the relay. Most of the time they stick on or off. Check for loose wires. But start with
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