” Malfunction of Outdoor Unit Fan Motor
Remote
Controller
Display
E7
Applicable
Models
LRMEQ5~20AY1
LRLEQ5~20AY1
Method of
Malfunction
Detection
While the fan motor is in operation, detect the malfunction related to the fan motor according to
revolutions detected with the hall sensor IC.
Malfunction
Decision
Conditions
The fan revolutions are kept at less than a certain value for a period of not less than 6
seconds when the fan motor meets rotating conditions.
The revolutions detection connector is disconnected.
When the malfunction occurs 4 times, an alarm will be output. When it occurs 5 times, the
system will go down.
Supposed
Causes
Failure of fan motor
Defect or connection error of the connectors / harness between the fan motor and PCB
The fan can not rotate due to any foreign substances entangled
Clear condition: Continue normal operation for 10 minutes
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