Troubleshooting - Samsung AC***KNLDCH User & Installation Manual

Troubleshooting

◆ 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
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)
44
Indicators
Concealed Type
Green Red
Standard Type
X X
X X
X
X X
X X
Remarks
X X
X X
X X
X
1. Indoor unit error
(Display is unrelated
with operation)
X
2. Outdoor unit error
(Display is unrelated
with operation)