Samsung AC009KNLDCH, Service Manual

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Samsung Electronics 4-1
4. Troubleshooting
4-1 Indoor Display Error and Check Method
■
Error detection and reoperation
●
If error occurs during the operation, badness is indicated by LED flickering and all operation is stopped except LED.
●
When reoperating by remote control and switch determine the error mode after normal operation.
LED Display on the receiver & display unit
◆
If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
●
On
Flickering X Off
Abnormal conditions
Indicators
Remarks
Concealed Type
Green Red
Standard Type
Power reset X X X X
Error of temperature sensor
in the indoor unit (Open/Short)
X X X X
Error of heat exchanger sensor
in the indoor unit
X X X
Error of the outdoor temperature sensor
Error of the condensor temperature sensor
Error of the discharge temperature sensor
X X X
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)
X X X
1. Indoor unit error
(Display is unrelated
with operation)
2. Outdoor unit error
(Display is unrelated
with operation)