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SiUS092230EA
Troubleshooting for FTXR Series
Part 6 Service Diagnosis
127
Note
Troubleshooting
R6000615
Wire harness (Connector): Terminal strip ~ Control PCB (H1, H2, H3)
Check the connection of
connectors/wire harness.
★
Correct the connection.
OK?
Check the power supply
voltage.
Start operation.
Voltage as rated?
Error repeats?
Check the power supply
voltage.
Start operation.
Voltage as rated?
Error repeats?
Error repeats?
Combination of
the indoor and outdoor
unit matched?
YES
NO
NO
YES
NO
NO
YES
Caution
To secure the connection,
disconnect the connectors once
and then reconnect.
YES
NO
YES
NO
YES
NO
YES
Match the compatible
models.
Correct the power
supply.
Replace the indoor unit
PCB (control PCB).
Completed.
Completed.
Correct the power
supply.
Replace the indoor unit
PCB (control PCB).
Completed.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Summary of Contents for RX-W Series
Page 1: ... Applied Models Inverter Pair Heat Pump Service Manual SiUS092230EA Inverter Pair RX W Series ...
Page 207: ...SiUS092230EA Check Part 6 Service Diagnosis 201 15 18 24 class R25105 1 2 3 4 Multimeter ...
Page 209: ...SiUS092230EA Check Part 6 Service Diagnosis 203 15 18 24 class R20704 W V U DC_P1 DC_N1 ...
Page 239: ...SiUS092230EA Piping Diagrams Part 8 Appendix 233 RX24WMVJU9 3D141502 ...