YES
NO
OK
Test 1-2 : External cause
1. External cause. 2. Power supply to Filter PCB to Inverter PCB wiring disconnection, open 3. Filter PCB failure
4. Transistor PCB failure
Check if temporary voltage drop was not generated.
Check if temporary open was not generated.
Check if ground is connected correctly or there are no related cables near the
power line.
Test 2 : Check the wiring (Power supply to Filter PCB to Transisor PCB)
Connector and wiring connection state check
Cable open check
Test 1-1 : Turn the power on again
Error displayed again?
Trouble shooting 15
OUTDOOR UNIT Error Method:
Inverter Error
Transistor PCB
Error information received from Transistor PCB.
Detective Actuators: Detective details:
Indicate of Display:
Forecast of Cause:
Outdoor unit :
POWER
MODE
ERROR
2
6
(L1) (L2) (L6)(L5)(L4)(L3)
3
PUMP
DOWN
LOW
NOISE
PEAK
CUT
02-18
OK
Test 3 : Replace Transistor PCB
If Test 1,2 do not improve the symptom, replace Transistor PCB(Outdoor unit),
and execute the check operation again.
OK
Test 4 : Replace Main PCB
If Test 3 do not improve the symptom, replace Main PCB(Outdoor unit),
and execute the check operation again.
Test 5 : Replace Filter PCB
If Test 4 do not improve the symptom, replace Filter PCB(Outdoor unit),
and execute the check operation again.
n
: n times blinking
: Light ON: Light OFF
Indoor Unit :
Operation lamp: 6 times Flash,
Timer lamp : 3 times Flash
ERROR CODE : [E : 63]
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