Fisher FS2MIF-140AE2 Service Manual page 37

Room air conditioner dc inverter multi split outdoor units
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Pic 1: check the voltage of N to S
(Vs), is it moving alternately
between positive value and negative
value?
Pic 2: :IPM (For dual/tri-zone)
Operating
Self-Check
Pic 2: :IPM (For qua-zone)
Power,
Self-Check
Operating
36

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