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Troubleshooting
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.
Abnormal conditions
Power reset
Error of Room sensor in the indoor unit(Open/Short)
Error of EVA-IN,EVA-OUT sensor in the indoor unit(Open/
Short)
Error of Fan motor in the indoor unit
Error of Outdoor or Terminal Block Thermal Fuse(Open)
Clogging of outdoor's service valve
Detection of the float switch
Error of EEPROM or OPTION SETTING
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 numbers and installed
numbers after completion 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.
34
English
Indicators
Concealed Type
Green
Red
Standard Type
X
X
X
X
X
X
X
X
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)
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