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Service Diagnosis
27
A1
Description
INDOOR PCB ABNORMALITY
Supposed Cause
1. Faulty indoor PCB.
2. Faulty connector connection at indoor.
Troubleshooting
No
Any sign
of loose or
abnormal.
Yes
Turn off unit.
Check indoor PCB connector
conditions (including PCB to
terminal block and all PCB wire
connector).
Replace indoor PCB and
operate again.
Connect correctly and
operate again.
Содержание FTXB50BV1B
Страница 1: ...SERVICE MANUAL Inverter DOO 0RXQWHG Single Split SM 5WMY A1 R410A...
Страница 60: ...Wiring Connection 54 4 0 Wiring Connection Model ATXN FTXN 25 35L M ARXN RXN 25 35L M...
Страница 61: ...Wiring Connection 55 Model ATXN FTXN 50 60L ARXN RXN 50 60L...
Страница 62: ...Wiring Connection 56 Model ATXN FTXN 50 60M ARXN RXN 50 60M...