Troubleshooting - Samsung AC NN4SEC Series User & Installation Manual

Troubleshooting

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Abnormal conditions
Error of temperature sensor in the indoor unit
(Open/Short)
Error of EVA IN, OUT sensor in the indoor unit(Open/
Short)
Error of fan motor in the indoor unit
Error of outdoor sensor
(outdoor temp./cond/discharge)
No communication for 2 minutes between indoor
and outdoor unit
Error of outdoor unit/Self-Diagnosis
(Check error code at outdoor unit's or solution dis-
play)
Detection of the float switch
EEPROM error/EEPROM option error
High pressure blockage error
 On Flickering
If you turn off the air conditioner when the LED is flickering, the LED is also turned off.

X Off
LED lamp display
Operation Defrost Timer
X X
X
X X
X
X
X
X X
X
Filter
Remarks
X
X
X
X
X
English 37