1. External cause
2. Power supply to Filter PCB to Inverter PCB wiring disconnection, open
3. Filter PCB failure 4. Inverter PCB failure
Trouble shooting 22
Inverter Error
Inverter PCB
・
Error information received from Inverter PCB
Detective Actuators:
Detective details:
Indicate of Display:
Forecast of Cause:
02-37
OUTDOOR UNIT Error Method:
YES
NO
Test 1-2 : External cause
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 Inverter PCB)
Connector and wiring connection state check
Cable open check
Test 1-1 : Turn the power on again?
Error displayed again?
OK
OK
Test 3 :
Replace Inverter PCB
If Test 1,2 do not improve the symptom, replace Inverter 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).
(SERVICE PARTS INFORMATION 10)
Indoor Unit
Outdoor Unit
Operation lamp : 6 time Flash
ERROR CODE : [E : 63]
Timer lamp
: 3 time Flash
Monitor
A
B
C
D
E
F
6
: Light ON
: Light OFF
n : n time blinking
3