Question about Carrier 38BRC048 Air Conditioner
I have a Carrier Model #38TXA024300 the motor 1/8 hp 208/230 stopped running and I'm getting 123 V into the relay 123V at the cap & to the motor...the power relay contact is opened if I take my contact jumper and press it in the fan will go on is my power relay bad? and I don't know what part# for this unit it is it's 16 yrs old faded cannot read it.
Hey there, it seems you know a little about the troubleshootig. The first thing you need to do is see if the rela is trying to energize by checking for 24v accross the coil while it should be running. I am guessing that with a 1/8 hp this is the condenser fan motor (outside). If you are not getting 24v at the coil is your compressor coming on? You may have a safety switch with a manual reset (usually red button) on the piping under the fan motor or just a broken wire. If this is a heat pump and the relay is located on the circuit board and the compressor is coming on,chances are the board is bad. If you only have 2 stat wires coming into the unit, check for 24v on them wait for any time delays. If it is there and at the coil replace the relay. If the 24v is not outside at all, check iside or try different collor wires, one may be broken. If still no 24v, take the tstat off the wall, turn off both units to kill power, twist the wires from terminals G, Y and R together. This should bring it on. If this is the only way to bring it on, replace the tstat. Also, there may be a float switch in a condensate pan somewhere on the indoor unit. If the pan is filled with water, it will either kill the whole 24v circuit or just keep the outdoor from coming on. Let me know what you find
Posted on Jul 31, 2009
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Posted on Jan 02, 2017
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