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Troubleshooting for Outdoor Unit
SiUS121827E
210
Part 6 Service Diagnosis
7.9 DC Fan Lock
Error Code
E7
Outdoor Unit LED
Display
A
j
1
i
2
i
3
i
4
i
5
h
Method of Error
Detection
An error is determined with the high-voltage fan motor rotation speed detected by the Hall IC.
Error Decision
Conditions
The fan does not start in 30 seconds even when the fan motor is running.
If the error repeats, the system is shut down.
Reset condition: Continuous run for about 5 minutes without any other error
Supposed
Causes
Disconnection of the fan motor
Foreign matter stuck in the fan
Defective fan motor
Defective outdoor unit PCB