E-
18
Troubleshooting (continued)
Error of setting option switches for optional
accessories
1. Error of electronic expansion valve close
2. Error of electronic expansion valve open
3. 2’nd detection of high temperature cond
4. 2’nd detection of high temperature
discharge
5. Error of reverse phase
6. Compressor down due to 6’th detection
of freezing
X
LED Display
On Flickering X Off
If you turn off the air conditioner when the LED is flickering, the LED is also turned off.
X
X
Communication error between indoor units
X
X
X
X
Detection of the float switch
X
X
EEPROM error
X
EEPROM option error
Remarks
LED lamp display
Operation
Type A
Type B
Defrost
Timer
Air flow
Filter
Abnormal conditions
X
X
X