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Service Diagnosis
30
C9
Description
INDOOR ROOM THERMISTOR ABNORMALITY
Supposed Cause
1. Thermistor, connector faulty.
2. Indoor PCB faulty.
Troubleshooting
Yes
Normal?
No
Yes
Normal?
# Refer thermistor resistance table.(Page 60, item 6.1)
Replace PCB.
Check thermistor resistance
value.
Check the thermistor connector
condition.
No
Replace thermistor
Correct the connection
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...