Display Error And Check Method; Trouble Shooting - Samsung AJ009JNNDCH Service Manual

4. Troubleshooting

4-1 Display Error and Check Method

4-1-1
Indoor unit
AJ009JNNDCH/AJ012JNNDCH/AJ018JNNDCH
Abnormal conditions
Power reset
Error of temperature sensor in the indoor unit
(Open/Short)
Error of heat exchanger sensor in the indoor unit
(Open/Short)
Error of fan motor in the indoor unit
Error of the outdoor temperature sensor
Error of the condensor temperature sensor
Error of the discharge temperature sensor
No communication for 2 minutes between
indoor and outdoor unit
(communication error for more than 2minutes)
Error of outdoor unit
Detection of the float switch
EEPROM error
EEPROM option error
Motion detect sensor error
Mixed operation error
● On
Flickering X Off
◆
If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
Samsung Electronics
LED lamp display
Operation Defrost Timer
X X
X X
X
X X
X
X
X
X X
X X
X X X
Filter
Remarks
X
X
X
X
X
X
X
4-1