Trouble shooting 8
INDOOR UNIT
OUTDOOR UNIT Error Method:
Indicate or Display:
ERROR CODE : E : 0C
Detective Actuators:
Detective details:
Forecast of Cause :
Check Point 2 :
Check Point 3 :
17.826.3
20°C
40.062.679.1101130169Resistance Value (k )
15°C10°C5°C0°C
Temperature
OKOK
OKOK
12.3
30°C
50°C40°C
60°C
1.222.003.434.606.278.70Resistance Value (k )
140°C120°C100°C
90°C80°C70°C
Temperature
Outdoor Discharge Pipe Temperature
Sensor Error
Outdoor Unit Main PCB Circuit
Discharge Pipe Temperature Thermistor
When Discharge Pipe Temperature Thermistor open or short-circuit
is detected at power ON or while running the compressor.
1. Connector connection failure 2.Thermistor failure 3. Main PCB failure
Check Point 1 : Check connection of Connector
Check if connector is removed.
Check erroneous connection.
Check if thermistor cable is open.
>>Upon correcting the removed connector or mis-wiring, reset the power.
Check Point 2 : Remove connector and check Thermistor resistance value
Thermistor Characteristics (Approx. value)
If Thermistor is either open or shorted, replace it and reset the power.
Check Point 3 : Check voltage of Main PCB (DC5.0V)
Make sure circuit diagram of outdoor unit and check terminal voltage at Thermistor (DC5.0V)
If the voltage does not appear, replace Main PCB.
07-10
Outdoor Unit (AB*A18L/ 24L) : LED 0.1sec ON/ 0.1sec OFF
(AB*A36L/ 45L) : LED 2 times blink
For AB*A18L/ 24L For AB*A36L/ 45L
THERMISTOR
(PIPE OUT)
THERMISTOR
(DISCHARGE)
THERMISTOR
(COMPRESSOR)
THERMISTOR
(PIPE MID)
THERMISTOR
(OUTDOOR)
BLACK
CN70 CN72 CN73 CN71
CN24 CN21 CN22 CN23 CN26 CN25
2 13 2 1 4 3 2 12 1
BROWN
BROWN
BLACK
THERMISTOR
(PIPE MID)
THERMISTOR
(DISCHARGE)
THERMISTOR
(PIPE OUT)
THERMISTOR
(OUTDOOR)
THERMISTOR
(COMPRESSOR)
THERMISTOR
(HEAT SINK)
BLACK
BBROWN
BLACK
BLUE
BROWN
BLACK
BLACK
2 13 2 1 4 3 2 12 1
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
1 2
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