Question about Carrier Heating & Cooling
If you have determined that the line voltage is getting to the blower motor then the unit is defective and needs to be replaced. Check for the presence of the voltage at the wires going directly into the motor to make sure. It is not the compactor relay because it supplies power to both the compressor and condenser fan. If your air handler is inside the house, the housing also has circuit breakers for the fan motor - check that also.
Posted on Nov 24, 2013
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Posted on Jan 02, 2017
SOURCE: Reverse Cycle not cooling!
I had a service man come out and he said the compressor was not coming on so he installed a hard start in parallel with capacitor solving the problem and is working normal now.
Posted on Dec 01, 2008
SOURCE: problem with my AC unit
Check your thermostat wires to see if you have any of them which are bare and touching. If any are touching separate them and tape em up and try unit again. You have a direst short in your cooling portion of the unit.
Posted on Feb 12, 2009
Look at the contactor on the condensing unit, remove the low voltage wires to the contactor and turn on the system. If the low voltage fuse doesn't blow, replace the contactor.
Posted on Jul 07, 2009
SOURCE: Blown Transformer heat pump
blown transformers are usually from a low voltage short the first thing i would do is wire a automotive or resetable 3amp fuse in line with the transformer so you dont blow transformer after transformer the wire coming off the transformer that say 24v take that wire a couple of inches down and cut it and install the fuse in series there
now you can go through your low voltage wires one by one and test them unhook all the wires to your outdoor condenser at your indoor unit(furnace or airhandler) and try turning it to cool now if you blow the fuse the short is between the tstat and the indoor unit if the fuse is still good leave it on cool and hook up one wire at a time to your outdoor unit starting with R a lot of times your contactor or your defrost board will short out on you also look for pinches in wires wires with cracks in the insulation and wires touching metal this situation can be a real pain sometimes i would recommend calling a hvac company if you start to get stumped
hope this will help you
Posted on Jul 26, 2009
SOURCE: Amana PTAC unit will not
Compressor working ?
Please follow this tips:
To get proper cool, keep the tips as follows:
1. Check air filter is cleaned. 2. Check indoor coil is cleaned. 3. Checkindoor blower motor is working. 4. Keep in cool mode. 5. Set temp minimum 3degrees less than room temp.6.Check compressor is working with correctpressure.
Please specify, if any error code..........
Posted on Jan 19, 2011
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