Si20-701_B Troubleshooting by Remote Controller
316
Note:
∗1. When operating compressor with compressor output
line disconnected, the compressor stops due to error
after elapsed time of 5 seconds. Therefore, check the
voltage increase for 5 seconds.
The
compressor is
grounded and short-
circuited.
YES
Replace the
compressor.
Is the
inverter
output voltage
generated
approximately at the
same increasing speed
on each phase after
turning ON again?
(∗1) (U-V, V-
W, W-U)
NO
Replace the
outdoor unit
PCB.
NO
Compressor
inspection.
Inspect
according to the
diagnosis
procedure for
abnormal noises,
vibration,
operating status,
etc. of the
compressor.
YES
Compressor
inspection.
Inspect
according to the
diagnosis
procedure for
abnormal noises,
vibration,
operating status,
etc. of the
compressor.
RZQ-K, RZQ(S)-B/C
RZQ-H, RZQG
A
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