Trouble shooting 10
INDOOR UNIT Error Method:
Drain Pump Error
Detective Actuators:
Indoor Unit Controller PCB Circuit
Float Switch
Detective details:
When Float switch is ON for more than 3 minutes.
Check Point 1 : Check Float Switch
Check operation of float switch. (any blocking by dust, etc.)
Remove Float switch and check ON/OFF switching operation
by using a meter.
>>If Float switch is abnormal, replace it.
ON OFF
OK
Forecast of Cause : 1. Float switch failure 2. Shorted connector/wire 3. Controller PCB failure
4. Drain pump failure 5. Hose clogging
Check Point 2 : Check Connector (CN 9) / Wire
Check loose contact of CN9 /shorted wire (pinched wire).
>>Replace Float switch if the wire is abnormal
Check Point 4 : Check Controller PCB
If Check Point 1 - 3 do not improve the symptom, change
Controller PCB and execute the check operation again.
Attention!!
Wall mount / Compact wall mount type
does not have a float switch.
In this case, replace Controller PCB
and set up the original address.
Please refer to.
OK
OK
Check Point 3 : Check Drain Hose
Check Drain Hose .
>>If there is Hose clogging. Please clear the clog.
Indicate or Display:
Outdoor Unit : No indication
Indoor Unit : Operation lamp: 5 time Flash, Timer lamp: 3 time Flash
Economy lamp: Continuous flash.
ERROR CODE : [E : 53]
02-13
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