Trouble shooting 15
OUTDOOR UNIT Error Method:
Detective Actuators: Detective details:
Forecast of Cause :
OK
Indicate or Display:
Inverter error
Outdoor unit Main PCB
Outdoor unit Inverter PCB
Check if the terminal connection is loose.
Check if connector is removed.
Check if connector is erroneous connection.
Check if cable is open.
>> Upon correcting the removed connector or mis-wiring, reset the power.
1. Connection failure 2. Main PCB failure 3. Inverter PCB failure
Check Point 1 : Check connections in control unit
When there is communication error between Main PCB
and Inverter PCB.
When "Inverter PCB cement resistor difference voltage between
both ends" detects 18 V and above twice continuously.
02-17
Refer to error code table.
Check Point 2 : Replace Main PCB and Inverter PCB
If Check Point 1 do not improve the symptom, replace Main PCB and Inverter PCB.
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