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Carrier XHB123D X/Y Series Heat/Cool Air Conditioner - Page 3 Questions & Answers
My Blower starts and stops early causing the lines
Your fan motor might be on the way out, and causing the motor's internal overload to trip.Try feeling the fan motor with the palm of your hand after it trips out.If it's hot (without using test instruments), then I'm willing to bet that fan motor is defective. If it has a variable speed ECM motor, it could just be the electronic module on the back end. some manufacturers will allow you to buy the module separately.If it's an ECM, contact me after you get an ohmmeter and I'll walk you through it. I have a simple inexpensive fix
Our house is hot! The ac unit outside comes on and
Man, it sounds like you have a heat pump with a bad defrost board or reversing valve. I assume your description of the unit outside freezing up is the condenser and the blower you refer to is the condenser fan motor. Or, is it the big copper line to the compressor that is freezing up? If so, have someone stand by the inside blower and listen for a click as you move the thermostat fan switch from auto to on a couple of times., Make sure at the time you are testing that the thermostat is in the off position. Those 2 switches operate separately. If you hear those clicks during the test you probably have a bad blower motor if there are are no clicks you may have a bad blower relay or board. Hope this helps good luck.
Where is the Flame Roll-out
outside the burners a little semi round thing with wires to it and a push button reset
most of the time they are on the louver above the burner
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