1. Defective connection of electric components 2. External cause 3. Main PCB failure
Trouble shooting 26
OUTDOOR UNIT Error Method:
CT Error
Outdoor unit main PCB When Input Current Sensor has detected 0A, while Inverter Compressor is
operating at higher than 60 rps, after 1 minutes upon starting the Compressor.
( Except during the defrost operation )
Detective Actuators: Detective details:
Indicate of Display:
Forecast of Cause:
02-31
Test 4 : Replace Main PCB
YES
NO
OK
Test 2 : Check connections of Outdoor Unit
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 mis-wiring,
reset the power.
Test 1-2 :
Check external cause at Indoor and Outdoor
( Voltage drop or Noise )
Instant drop : Check if there is a large load electric
apparatus in the same circuit.
Momentary power failure : Check if there is a defective
contact or leak current in the
power supply circuit.
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, replace Main PCB.
(SERVICE PARTS INFORMATION 10)
Electrical Components
Indoor Unit
Outdoor Unit
Operation lamp : 8 time Flash
ERROR CODE : [E : 84]
Timer lamp: 4 time Flash
Monitor
ABCDEF
8
: Light ON : Light OFF n : n time blinking
4
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