Question about Carrier Heating & Cooling
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Posted on Jan 02, 2017
SOURCE: not turning on
Try to reset the unit by disconnecting the power supply for 10sec. and operate the unit. If it wont work replace your Room Air and Coil Thersmistor or test the thersmistor with mulitester. The resistance reading of thermistor is 10 kilo ohms @25deg. C room temp. If it is shorted or open the unit wont operate.
Hope this can help :)
Posted on Jan 08, 2009
I'm not sure exactly what unit you have and what controls you have installed on the unit. But....there usually is a flash code schematic on the unit. Usually on the inside of the blower compartment cover. This should tell you what is wrong with the unit. It could have a low voltage short somewhere and is loosing the call for cool. So the answer can be a possible yes to your question but without knowing the flash code, it's hard to tell from my point of view. You might end up calling a service professional out to check it.
Posted on Mar 30, 2009
How many times is the light blinking? Also is the light red, yellow or green? The light blinking is telling you exactly what has failed. 4 Compressor discharge protect 5 Low pressure/Overcurrent protect 6 Indoor-outdoor communication error Each of these has maintenance required steps to resolve the errror. Let me know how many blinks your getting...
(# of RED blinks first)
1 High Pressure Protect
2 Indoor coil freeze protect
3 Low pressure protect
8 Hi-Temp protect
10 AC Voltage Low
4 Compressor discharge protect
5 Low pressure/Overcurrent protect
6 Indoor-outdoor communication error
Each of these has maintenance required steps to resolve the errror. Let me know how many blinks your getting...
Posted on Apr 25, 2011
This problem is outdoor unit issue. Blinking 4 times in carrier highwall unit means Compressor drive malfunction. Possible cause are the following: - Stuck up or grounded compressor. - Magnetic contractor in outdoor unit is defective or indoor unit relay supplying outdoor unit is defective. - No power supply going to outdoor unit.
Posted on Dec 06, 2011
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