Question about Heating & Cooling
The compressor is not running but the fan is. Could be the thermostat - it has a circuit that turns on the compressor in times of "need."
U can check for proper compressor operation by removing cover of unit and locating the compactor relay - with a wooden stick push it closed and see if the compressor kicks on. If it does then the control circuits that issue the 24 volts to power the relay are not working. Or if the 24 volt power supply is non existent the relay will not close and connect the compressor the power lines.
Posted on Nov 23, 2013
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Posted on Jan 02, 2017
Hi , you may use amphere meter to detect whats goin on to the compressor and component.
Clamp one compressor wire if register exceed the laber amphere of motor motor are stuck or burn/
If not register the clamp meter check the thermal control might burn or lost contact.
Posted on Jan 12, 2008
SOURCE: Lennox Elite Model # CB30M-65-4P
The copper the big line should have a insulating foam wrapped around it called rubetex which eliminates any rubbing. They should never be that close also. Now is this unit a heat pump?
Posted on Nov 24, 2008
It is normal. Your house has to go down a couple more degrees because the heat pump is not working. You can solve this by rewirng you thermostat. Take off the wire that goes to Y and tape off. Then take the wires that are marked w and e or w1 and put the wires to yellow. Do not run ac with it wired like this. If you need more information please post me back
Posted on Nov 29, 2008
I recommend getting electric back up heat to fix your problem. Like the other gentleman said, defrost is having to kick on too much. It's doing the best it can givin the conditions outside. If you don't have enough power supply for electric back up heat, then a gas furnace or propane furnace will work also, depending on your needs. Heat Pumps are a like a full time fan, they are designed to heat your home at a steady rate unlike forced gas units that turn on extremely high temps and then shut off... Ensure your charge is correct, givin your tempatures the unit sounds to be working correctly, however a second opinion is always a good piece of mind before you spend money on emergency heat.. Hope that helps..
Posted on Dec 02, 2008
I would suspect you have a problem in the defrost circuit of your heat pump. there are a couple of things you can try. first just run the system on emergency heat and see what happens. you could have a defrost board that is shorting when it kicks into defrost. it sends a signal back to the furnace so it will come on during defrost. if you do not blow a fuse as long as you are running in emergency heat, i would suspect the defrost control board. also you could have a dead short in the wire that runs from the "w" terminal on furnace control board, out to the heat pump. keep in mind that any of the wires could be the cause and i am just tying to give you the most common things. your furnace will still run if you unhook all the low voltage wiring out at the heat pump. if you do this and stop blowing fuses. you know it is something on that wiring. goodl luck.
Posted on Jan 27, 2009
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