Test 3 : Replace Filter PCB
YES
NO
OK
OK
Test 2 : Check connections of Outdoor unit electrical
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 1-2 : Check external cause at Indoor and Outdoor
(Voltage drop or Noise)
1. Defective connection of electric components 2. External cause 3. Filter PCB failure 4. Main PCB failure
Instant drop : Check if there is a large load electric
apparatus in the same circuit.
Momentary power failure : Check if there is a defective
eht ni tnerruc kael ro tcatnoc
.tiucric ylppus rewop
Noise : Check if there is any equipment causing
harmonic wave near electric line.(Neon bulb or
electric equipment that may cause harmonic wave)
Check the complete insulation of grounding.
Test 1-1 : Reset Power Supply and operate
Does Error indication show again?
If Test 1, 2 do not improve the symptom, change Filter PCB.
Test 4 : Replace Main PCB
If Test 3 do not improve the symptom, change Main PCB.
Trouble shooting 24
OUTDOOR UNIT Error Method:
Current Sensor Error
Outdoor unit main PCB
When input Current Sensor has detected 0A, while inverter compressor is
operating at higher than 50Hz. after 1 minute upon starting the compressor
(Except during the defrost operation)
Detective Actuators: Detective details:
Indicate of Display:
components
Forecast of Cause:
Outdoor unit :
POWER
MODE
ERROR
2
8
(L1) (L2) (L6)(L5)(L4)(L3)
4
PUMP
DOWN
LOW
NOISE
PEAK
CUT
02-27
Indoor Unit :
Operation lamp: 8 times Flash,
Timer lamp : 4 times Flash
ERROR CODE : [E : 84]
n
: n times blinking
: Light ON: Light OFF
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