Carrier 38QUS014DS2-2 Service Manual page 74

Multi type
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Operating
Self-Check
Power,
Self-Check
Operating
els)
71
Pic 1: check the voltage of N to S
(Vs), is it moving alternately
between positive value and negative
value?
Pic 2: IPM or outdoor main PCB
Pic 2: IPM or outdoor main PCB

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