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Service Diagnosis
45
H8
Description
AC CURRENT SENSOR ABNORMALITY
Supposed Cause
1. Internal wiring broken.
2. Outdoor unit PCB defective.
Troubleshooting
Connection correct?
No
Yes
Change outdoor PCB.
Restart the system and check
connector between main board
and IPM board.
Check compressor harness
connection.
Does it connect
properly?
No
Yes
Reconnect it properly.
Reconnect it correctly.
*Remark:
This error is only applicable for model ARXN/RXN50/60L.
Summary of Contents for FTXB50BV1B
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...