Samsung AVMKH020EA4 Service Manual page 37

Alignment and Adjustments
Error Display
SEG 1 SEG 2,3,4
NUMBER
~
~
~
3-2
Indoor unit EEV close failure
Indoor unit float S/W detection
Indoor fan error
Mixed operation error(operate heat & cool mode at same time)
EEPROM error
Option setting error
Special income tax related error
Electric heater discharge temperature protect error
No fan error related to the electric heater
Error connecting power line to communication line of indoor unit
201~600
Outdoor communication related error
Installed indoor unit number setting error
Communication error between indoor and outdoor unit
Outdoor sensor related error
OUT-TEMP SENSOR OPEN/SHORT sensor error
COND-OUT TEMP. sensor error OPEN/SHORT
COND MID TEMP. sensor error (OPEN/SHORT)
COND-MID sensor breakaway of outdoor unit
COND-OUT breakaway
PWM DISCHARGE TEMP sensor error OPEN/SHORT
– Detected when the outdoor temperature is over -10˚C
– ERROR LEVEL : OVER 4.95V(-30˚C), BELOW 0.5V(151˚C)
Digital discharge sensor breakaway
Outdoor protection control/self diagnosis related error
Outdoor unit freezing detection 1
Outdoor unit discharge temperature 1 protection control
Outdoor unit reverse phase detection 1 error
Forbid heating mode operation when outdoor temperature over 30˚C
Forbid cooling mode operation when outdoor temperature below -5˚C
In case of refrigerant charging operation at the 15˚cover of outdoor
temperature in the heating mode
Contents Remarks
Outdoor unit related error
Samsung Electronics