Appendix A
61
6.3.2 RXN50/60M, RXB5060B
Turn power off and then
on again.
Disconnect four way valve coil
from connector and check the
continuity.
Start heating operation.
Replace four way valve.
S80 voltage at
220-240VAC with
compressor on?
Four way
valve coil resistance at
a"
Yes
Yes
Replace outdoor PCB.
Replace four way valve coil.
No
*Four way valve coil
Cooling/Dry: No continuity
Heating: Continuity
*Refer Figure 1 below.
No
(Fig. 1)
Voltage at S80
220-240 VAC
Compressor
ON
Time
6.4 Inverter unit refrigerant check procedures
Check for refrigerant leakage.
See troubleshooting for U0
error.
Refrigerant system check.
Is the
discharge pipe
thermistor
disconnected from
the holder?
No
Reconnect the thermistor.
Replace the refrigerant.
Yes
Summary of Contents for ARXN25MV1B
Page 1: ...SERVICE MANUAL Inverter DOO 0RXQWHG Single Split SM 5WMY A1 R410A ...
Page 60: ...Wiring Connection 54 4 0 Wiring Connection Model ATXN FTXN 25 35L M ARXN RXN 25 35L M ...
Page 61: ...Wiring Connection 55 Model ATXN FTXN 50 60L ARXN RXN 50 60L ...
Page 62: ...Wiring Connection 56 Model ATXN FTXN 50 60M ARXN RXN 50 60M ...