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Troubleshooting
4-8
Samsung Electronics
Error Indicator
Cause
Measures
Product’s state of operation
at the time of malfunction
(state of main component)
Method of
Diagnosis
Indoor
Fan
Outdoor
Fan
Comp.
When outside temperature is above/
below operation range allowed for
cooling
• Inspect outside air temperature and
SET installation state
Operation
Off
Operation
Off
Operation
Off
Page 4-27
Problematic Outdoor unitFAN MOTOR
• Check connecting WIRE
• Check FAN MOTOR
• Check Outdoor unit PBA
S
Because the FAN MOTOR is a
BLDC MOTOR, it may malfunction
if the CONNECTOR is detached or
inserted while being supplied with
power. Please take measures 1~3
minutes after switching the power
OFF.
Operation
Off
Operation
Off
Operation
Off
Page 4-28
Problematic compressor maneuver
operation
• Inspect Outdoor unit PBA / Inspect
compressor condition / Inspect SET
installation condition
Operation
Off
Operation
Off
Operation
Off
Page 4-29
Problematic Outdoor unit incoming
electric current
• Inspect compressor condition /
Inspect SET installation condition
Operation
Off
Operation
Off
Operation
Off
Page 4-30
Compressor temperature overload
• Inspect compressor condition /
Inspect SET installation condition /
Check temperature sensor WIRE
Operation
Off
Operation
Off
Operation
Off
Page 4-26
Problematic compressor incoming
electric current
• Inspect compressor condition /
Inspect SET installation condition
Operation
Off
Operation
Off
Operation
Off
Page 4-29
Problematic compressor operation
• Inspect compressor condition /
Inspect SET installation condition
Operation
Off
Operation
Off
Operation
Off
Page 4-29
Problematic Outdoor unit controller
internal voltage
• Inspect Outdoor unit PBA /
Inspect power line connection
Operation
Off
Operation
Off
Operation
Off
Page 4-30
Problematic compressor operation
• Inspect compressor condition /
Inspect SET installation condition /
Inspect Outdoor unit PBA
Operation
Off
Operation
Off
Operation
Off
Page 4-31
Problematic compressor electric
current sensor
• Inspect Outdoor unit PBA
Operation
Off
Operation
Off
Operation
Off
Page 4-29
Problematic Outdoor unit controller
internal voltage sensor
• Inspect Outdoor unit PBA
Operation
Off
Operation
Off
Operation
Off
Page 4-30
EEPROM error
• EEPROM loading
Operation
Off
Operation
Off
Operation
Off
Page 4-32
Problematic Outdoor unit power
frequency
• Inspect Outdoor unit PBA /
Inspect power line connection
Operation
Off
Operation
Off
Operation
Off
Page 4-30
Error Display
(cont.)