SOURCE: Heat mode on trouble
Possibly changeover valve not functioning correctly causing high head pressure and safety to switch off in protection mode.not the ideal DIY repair.
SOURCE: split system outside unit won't come on for cooling, only heating
Check your filters, dog hair and lack of maintenance will definitely burden the cooling mode of the Mr Slim units.
SOURCE: LG Ductless Mini Split System LAN125hv: Heat pump doesn't run.
CA: Compressor Discharge Sensor Fault
Contact a qualified service technician and have them replace this sensor.
SOURCE: After installing my klimaire mini split unit
for this you have to go into the the board located in the right side of the unit if your problem is what i think it is crosswire on the board.
SOURCE: Not heating
I'm a Certified HVAC Technician and have been working in the industry since 1996. I totally agree with Rob. But, I'm a bit confused in that I have read "Problem with Amana Comfort Zone 18M33PCEH Air Conditioner" but then I read "Not heating Unit works on cooling mode, will not work in heating mode..blows cold air.
Does reversing valve have a seperate coil or built in"
First of all, an AIR CONDITIONER does not have a "REVERSING VALVE" - only a HEAT PUMP has a REVERSING VALVE. If the THERMOSTAT was REPLACED, did the ORIGINAL COLORED WIRES and ORIGINAL TERMINALS get RECORDED onto a piece of paper? It is imperative that the CORRECT COLORED WIRE within the Thermostat is CONNECTED to the "O" which, on MOST HEAT PUMP Thermostats is the REVERSING VALVE and, in MOST cases is the ORANGE wire. In every HEAT PUMP system that my company has installed, I have directed all of my technicians to use the STANDARD wiring COLOR Codes, regardless of WHAT was previously used. That way, when another HVAC Technician is called, he or she can easily troubleshoot and reduce the amount of time spent on the Service Call, thus saving the homeowner $$$ in the long run. Good Luck!!!
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