1. Defective connection of electric components
2. External cause
3. Main PCB failure
Trouble shooting 31
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:
02-46
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 miss-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
A
B
C
D
E
F
8
: Light ON
: Light OFF
n : n time blinking
4
