44
Troubleshooting
Abnormal conditions
Indicators
Remarks
Concealed Type
Green Red
Standard Type
Power reset
XXXX
Error of temperature sensor
in the indoor unit (Open/Short)
XX XX
Error of heat exchanger sensor
in the indoor unit
X XX
Error of the outdoor temperature sensor
Error of the condensor temperature sensor
Error of the discharge temperature sensor
XX 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)
XX X
1. Indoor unit error
(Display is unrelated
with operation)
2. Outdoor unit error
(Display is unrelated
with operation)
◆ 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
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