SiUS30-1301
Troubleshooting by Indication on the Remote Controller
Service Diagnosis
217
Troubleshooting
Note:
1
Connector code
The
voltage is more
than 208V for 230V units
or 460V for 460V
units.
Check if power supply
voltage is 208/230V ±10
%
or 460V ±10
%
?
Correct the power
supply voltage.
NO
NO
Turn ON again.
YES
YES
Replace the inverter
PCB.
Replace the inverter
PCB.
Replace the connection
wire.
To diagnosis error
code "
P1
".
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
NO
YES
Measure the voltage between
terminals P and N of power
module when the compressor
is running.
Check the connection wiring.
∗
1
Is the
resistance between
terminals P and N more
than hundreds of
ohms?
Is the
connection wiring
defective?
YES
NO
Model name
Connector
RWEYQ72/84PTJU
• X6A(A2P)
X33A(A1P)
• X4A(A2P)
X25A(A1P)
RWEYQ72/84PTJU9
• X6A(A2P)
X28A(A1P)
• X4A(A2P)
X20A(A1P)
RWEYQ72/84PYDN
• X6A(A3P)
X28A(A1P)
• X4A(A3P)
X20A(A1P)