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Fan does not turn off even after disconnecting

Fan on my goodman heat pump does not turn off even after disconnecting thermostat wires ?

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Are you referring to the fan on the external mechanism, or the internal air handling fan?
The external fan is not controlled by the internal thermostat. it is controlled by the thermos-witch of the compressor. The external fan may or may not run when the motor is operating. it depend totally on the temperature of teh compressor, and not the internal thermostat.
It the internal air handling fan is running continuously,it may be a a problem with the fan setting. check if the fan is set to 'ON' instead of 'AUTO', and correct it.
Incidentally the fan operation I described, is for modern, energy efficient heat systems. This is a energy saving design incorporated in all heating systems including automobile radiator fans.

Posted on Jan 31, 2010

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1 Answer

Goodman furnace a36-20 fan runs non stop


is green wire from thermostat or from outdoor. retrace and change as needed. If not Goodman has a tech support number you can call while looking at unit.

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GOODMAN AIR HANDLER, FAN AND HEAT STRIP COME ONLINE WITHOUT DEMAND. WON'T TURN OFF BY TSTAT


the w wire off thermosta controls heat. eithe bad board or thermostat.

Feb 01, 2013 | Goodman Heating & Cooling

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My 5 ton Goodman Heat Pump won't go into heat or ac mode. Fan won't turn on. No noise from compressor. System is 1 1/2 yeras old.


Easy: Turn the "fan" switch to on at the thermostat and see if the blower starts. If no start, check breaker at breaker box. Check service disconnect at or near the air handler. With the breaker and/or service disconnect OFF check the 3 or 5 amp fuse inside the top cover in the air handler.
Not so easy: (You must know what you are doing for this part or let an HVAC Tech do it for you) Open thermostat and firmly jump the Y and R terminals to see if you get the compressor to start for no more than 30 seconds. (don't do it more than once.) Jump the G and R terminals to see if you get the blower to start. If so, u have a bad thermostat. If not, check the transformer inside the same cover in air handler for proper voltage. (24V. Make sure you also get 220 on the opposite side of the transformer)
If the blower comes on, but the heat pump doesnt start, open the side cover of the heat pump, with the thermostat on cool, and the temp. setting as low as possible for at least 10 minutes see if the contactor is pulled in. If so, check the capacitor and see if it's blown out. Be super careful these systems operate with 220v and the amperes are enough to kill you if you make a simple mistake.

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2 Answers

Blower does not work and heating element heat with


Check for power to the unit. If power exists, check your low voltage. Do you have 24volts to R & C at your thermostat?

Feb 07, 2010 | Goodman GMS90703BXA Heater

1 Answer

Its 28 degrees out side and my goodman 3.5 ton heat pump package unit is blowing cold air out of all my regesters


Sounds like the heat pump is not running. Check outside to see if the fan is spinning.

Try moving the thermostat to emergency heat and see if that gives you any heat. If it does, then you have heat until you can get a service technician to locate the problem with the heat pump. It could be a wide range if issues from bad thermostat to bad wiring to bad capacitor.

Jan 07, 2010 | Goodman Heating & Cooling

1 Answer

New goodman pkg heat pump i wired up 2 brand new


You may have defective tstat wiring, or a bad control fuse. Check both.

Jul 30, 2009 | Goodman CKL24AR24 Air Conditioner

1 Answer

Goodman Air Handler motor will not turn off.


Look at your Thermostat wiring.
If there is a green wire going to the "G" terminal, disconnect it.

If it stops running, you have a bad T-stat.

If it keeps running, you either have a stuck fan relay or a low voltage control wiring malfunction.
Those are usually related to one of the safety switches having problems.

If green is not going to G, let me know, and we will determine which one is indeed the fan wire and go from there.

Remember, when you rate the solution, it closes further dialog, so only rate when you are satisfied with the discusion.

Thanks for visiting FIXYA!

Jan 03, 2009 | Goodman CLQ36AR49 Air Conditioner

1 Answer

Goodman heat pump 5 ton power problem


Sound like the outside unit is going to ground or the unit is over amping. Take and shut off the power to the unit and check all of the electrical connection for tightness. Don't forget to check the disconnect wires too since you shut it off at the breaker box. If you have a meter check to see if it''s live before you work on it. If it's all tight then call back the person that did the previous repair and tell them that he obviously missed something and the you feel that it should be a warranty call.

Dec 20, 2008 | Goodman CLQ36AR49 Air Conditioner

2 Answers

Goodman ac / heat pump


I just had a new unit installed and I am surfing for troubleshooting tips too. My unit is doing the same... cools well heat sucks. my problem has been isolated down to the reversing valve... It is constantly energised which means it is constantly in a/c mode even when kicking on the heat strips... We disconnected a line at the thermostat and it is working well as a heater now. You may want to check yours to see if it is actually kicking over into to heat mode... -rob

Nov 25, 2007 | Goodman CLQ36AR49 Air Conditioner

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