Trouble shooting 4
INDOOR UNIT Error Method:
Detective Actuators: Detective details:
Forecast of Cause :
OKOK
Indoor Unit Capacity Error
All indoor unit
When the total capacity of indoor units is outside of range
between 38,000BTU and 63,000BTU.
1. The selection of indoor units is incorrect 2. Main PCB(Outdoor unit) failure
Check Point 1 : Check the total capacity of indoor unit
Check the total capacity of the connected indoor units.
>> If abnormal condition is found, correct it by referring
to Installation Manual or Design & Technical Manual.
Check Point 2 : Replace Main PCB
If Check Point 1 do not improve the symptom, replace Main PCB(Outdoor unit),
and execute the check operation again.
Indoor Unit : Operation LED 2 times Flash, Timer LED 2 Times Flash,
Economy LED Continuous Flash.
Outdoor Unit : E. 22. 1
Error Code : 22
Indicate or Display:
02-20
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