Troubleshooting; Indoor Display Error And Check Method - Samsung AC018JNHDCH/AA Service Manual

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.
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Indoor unit LED lamp display at error detecting
LED Display on the receiver & display unit
Abnormal conditions
Power reset
Error of temperature sensor
in the indoor unit (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 X Off
◆ If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
Samsung Electronics
Indicators
Concealed Type
Green Red
Standard Type
X X 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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