Service Diagnosis
35
E7
Description
OUTDOOR FAN MOTOR LOCK
Supposed Cause
1. Fan motor breakdown.
2. Harness or connector disconnected between fan motor and PCB or in poor contact.
3. Foreign matter stuck in fan.
4. Defective outdoor unit PCB.
Troubleshooting
Turn on the power.
Check rotation pulse input
on outdoor unit PCB.
Fan rotates
smoothly?
No
Yes
Turn off power and
reconnect connector.
Fan motor
connector
disconnected?
No
Yes
Foreign
matters in or
arround fan?
No
Rotate the fan.
Yes
Remove foreign matters.
Replace outdoor fan motor.
Yes
Replace outdoor PCB.
Pulse signal
generated?
No
Replace outdoor fan motor.
*Remark:
Refer Appendix A for rotation pulse check.(Page 64, item 6.6)
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 ...