30
Troubleshooting
Abnormal conditions
Indicators
Remarks
Concealed Type
Green Red
Standard Type
Power reset
X X X X
Error of Room sensor in the indoor
unit(Open/Short)
X X X X
Error of EVA-IN,EVA-OUT sensor in the indoor
unit(Open/Short)
X X X
Error of Fan motor in the indoor unit X
X X X
Error of Outdoor or Terminal Block Thermal
Fuse(Open)
X X
Clogging of outdoor's service valve
X X
Detection of the float switch
X X
X
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 num-
bers and installed numbers after comple-
tion of tracking.
(Communication error for more than 2 minutes)
X X X
1. Indoor unit error
(Display is unrelated
with operation)
2. Outdoor unit error
(Display is unrelated
with operation)
◆ If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
●
On
Flickering
X
Off
◆ 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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