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Troubleshooting
Detection of errors
f If an error occurs during the operation, an LED flickers and the operation is stopped except the LED.
X
f If you re-operate the air conditioner, it operates normally at first, then detect an error again.
X
LED Display
Abnormal conditions
Power reset
Error of temperature sensor in indoor unit
(OPEN/SHORT)
Error of heat exchanger sensor in indoor unit
Error of heat exchanger OUT sensor in indoor
unit
Error of outlet temperature sensor in indoor
unit (OPEN/SHORT): For heat pump models
only
Error of outdoor temperature sensor
Error of COND sensor
Error of DISCHARGE sensor
1. No communication for 2 minutes
between indoor unit and outdoor unit
(communication error for more than 2
minutes)
2. Indoor unit receiving the communication
error from outdoor unit
3. Outdoor unit tracking 3 minute error
4. When sending the communication error
from outdoor unit the mismatching of the
communication numbers and installed
numbers after completion of tracking.
(communication error for more than 2
minutes)
● On
Flickering
f If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
X
f If you re-operate the air conditioner, it operates normally at first, then detect an error again.
X
Big Duct_IBIM_E_33766-3.indd 35
Concealed Type
Green
Red
Standard Type
Off
Indicators
Displayed on appropriate
indoor unit which is
operating
Displayed on appropriate
indoor unit which is
operating
Displayed on appropriate
indoor unit which is
operating
Displayed on outdoor unit
1. Error of indoor unit :
2. Error of outdoor unit :
Operating
Displayed on the indoor
unit regardless of
operation
Displayed on the indoor
unit which is operating
35
2012-01-13 오후 9:40:34
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