Troubleshooting - Samsung NS 4CREA Series User & Installation Manual

Troubleshooting

Detection of errors
 If an error occurs during the operation, one or more LED flickers and the operation is stopped except the LED.
 If you re-operate the air conditioner, it operates normally at first, then detect an error again.
LED Display on the receiver & display unit
LED Display
Abnormal conditions
Power reset
Error of temperature sensor
in the indoor unitt (Open/Short)
Error of heat exchanger sensor
in the indoor unit
Error of the outdoor temperature sensor
Error of the condensor temperature sensor
Error of the discharge temperature sensor
1. No communication for 2 minutes
between indoor units
(Communication error for more than 2 minutes)
2. Indoor unit receiving the
communication error from outdoor unit
3. Outdoor unit tracking 3 minutes error
4. When sending the communication
error from the outdoor unit, the
mismatching of the communication num-
bers and installed numbers after comple-
tion of tracking
(Communication error for more than 2 minutes)
 On Flickering
 If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
Operation Defrost Timer Air flow Filter
X
X
Off
LED lamp display
X X X
X X
X X
X X
X
Remarks
X
X
X
X
1. Indoor unit
error
(Display is
unrelated with
operation)
X
2. Outdoor unit
error
(Display is
unrelated with
operation)
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