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Re: no compressor control from IHKA, Code 12 current
Posted to HVAC Forum on 8/12/2008 3 Replies

all temp sensors are reading ambient, 30C. the DME KO=off while DME AC=on.

i can command the AC compressor relay on through the DME module and it is clicking like it should, so i know for a fact the wiring from the DME to the compressor is fine. I am gonna c... Login to read more.

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