Troubleshooting by Remote Controller Si20-701_B
191
Remote Controller Display
E7
Applicable Models
CMSQ
Method of Error Detection
Error of fan motor system is detected according to the fan
speed detected by hall IC when the fan motor runs.
Error Decision Conditions
îš„ When the fan runs with speed less than a specified
one for 6 seconds or more when the fan motor running
conditions are met
îš„ When connector detecting fan speed is disconnected
îš„ When error is generated 4 times, the system shuts
down.
Supposed Causes
îš„ Defective fan motor
îš„ The harness connector between fan motor and PCB is
left in disconnected, or defective connector
îš„ Fan does not run due to foreign matters tangled
îš„ Clearing condition: Operate for 5 minutes (normal)
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