Test 3 : Check Outdoor Fan
OK
OK
Test 6 : Replace Main PCB
OK
OK
Test 1 : Check connections of Outdoor Unit Electrical Components
1. Defective connection of electric components 2. Outdoor Fan Operation failure
3. Outdoor Heat Exchanger clogged 4. Compressor failure 5. Main PCB failure 6. Transistor PCB failure
Check if connector is removed.
Check if the terminal connection is loose.
Check erroneous connection.
Check if cable is open.
>>Upon correcting the removed connector or miss-wiring, reset the power.
Test 2 : Check Outdoor Fan, Heat Exchanger
Is there anything obstructing the air distribution circuit?
Is there any clogging of Outdoor Heat Exchanger?
Is the Fan rotating by hand when operation is off ?
>> If the Fan Motor is locked, replace it.
Check Outdoor Fan Motor. (Refer to Trouble shooting 28,29)
>> If the Fan Motor is failure, replace it.
Test 4 : Check Compressor
Check Compressor. (SERVICE PARTS INFORMATION 2)
If Test 1 - 5 do not improve the symptom, change Main PCB.
OK
Test 5 : Check Transistor PCB
Check Transistor PCB
>>If Transistor PCB is abnormal, replace it.
Trouble shooting 17
OUTDOOR UNIT Error Method:
IPM Error
Outdoor unit main PCB
Compressor
Transistor PCB
①
When more than normal operating current to IPM in Main PCB flows,
the compressor stops.
the compressor stops.
③
If
①
and
②
repeats 5 times, the compressor stops permanently.
②
After the compressor restarts. If the same operation is repeated within 40sec,
Detective Actuators: Detective details:
Indicate of Display:
Forecast of Cause:
Outdoor unit :
POWER
MODE
ERROR
2
6
(L1) (L2) (L6)(L5)(L4)(L3)
5
PUMP
DOWN
LOW
NOISE
PEAK
CUT
02-20
n
: n times blinking
: Light ON: Light OFF
Indoor Unit :
Operation lamp: 6 times Flash,
Timer lamp : 5 times Flash
ERROR CODE : [E : 65]
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