8 Troubleshooting
301
SMGB0087 rev.0 - 12/2013
8
8.4 Checking procedure for main parts
8.4.1 Checking procedure for the PCB (PCB1 ref PO101)
N O T E
*1) The following table shows the check points and the normal range of voltage in the case that the voltage on the outdoor
unit PCB is measured with a circuit tester. The setting of the circuit tester shall be set within the DC voltage measurement
range when the following voltages are measured.
*2) If 230V / 400V is present in DIP-IPM terminals R-S / R-S-T, DIP-IPM may be faulty. Alarm 03 may be shown in this case.
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