40
Troubleshooting
◆
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
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 discharge sensor in the indoor
unit(Open/Short)
X
X
X
Error of Fan motor in the indoor unit
X
X
X
X
1. Error of Outdoor
2. Thermal Fuse Open Error of Indoor's Terminal Block
X
X
1. Clogging of outdoor's service valve
2. the refrigerant leakage
X
X
Detection of the float switch
X
X
X
1. Error of EEPROM
2. Error of Option setting
1. Error of Outdoor Temp. sensor
2. Error of Cond Temp. sensor
3. Error of discharge Temp. sensor
X
X
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
numbers and installed numbers after completion 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)
DVM Big Duct_EU_IM_DB68-05047A-01_EN_16.03.30.indd 40
2016/4/7 15:54:54