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Troubleshooting by Remote Controller
Si20-701_B
179
Troubleshooting
Are wire
connections
made to phases U, V,
and W in the proper
order and
manner?
The
compressor cable
has a defect.
Is the stop
valve open?
NO
YES
Onsite causes.
Open the stop
valve.
YES
YES
NO
Replace the
cable, and then
securely connect
the connectors.
NO
Make wire
connections
without a
mistake.
Check the compressor
cable for disconnection
and flaws.
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
Power OFF
U
V
W
A
Are wire
connections
properly made
(according to the
Wiring
Diagram)?
NO
YES
Make wire
connections
without a
mistake.
Are the wire
connections
mixed up
with those
for non-
inverter
compressor?