Service manual DM16-01.01.11-01en
38 Multi DC inverter R410A. Outdoor unit
Pic 2: IPM or outdoor main PCB
Self-Check
Power,
Operating
Self-Check
Operating
Pic 2: IPM or outdoor main PCB
Pic 1: check the voltage of N to S
(Vs), is it moving alternately
between positive value and negative
value?
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