Samsung AC009BNLDCH Service Manual page 243

■ 4way Cassette(600x600) : AC***BNNDCH
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 2 minutes)
Error of outdoor unit Error of the terminal
block thermal fuse (Open)
Detection of the float switch
EEPROM ERROR EEPROM option error
Outdoor valve clogging error
Miss matching error between indoor unit and
outdoor unit
: 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
X
X
X X
X
X
X
X X
X
Troubleshooting
Timer Filter
X X
X X
X X
X
X
X
X
Remarks
4-49