User and Installation Manual

TROUBLESHOOTING AND SELF DIAGNOSIS
38
ERROR SIGNALS ON THE DISPLAY
In case of error, the display on the indoor unit shown the following error codes:
Error
Code
Light flash code
Failure type
E0
Run & Timer – both blinking
Indoor and outdoor communication
failure
EC
Run & Timer – both blinking
Outdoor communication failure
E1
Run – 1 flash every 8 seconds
Indoor room temperature sensor
E2
Run – 2 flashes every 8 seconds
Indoor coil temperature sensor
E3
Run – 3 flashes every 8 seconds
Outdoor coil temperature sensor
E4
Run – 4 flashes every 8 seconds
System abnormity
E5
Run – 5 flashes every 8 seconds
Model configuration wrong
E6
Run – 6 flashes every 8 seconds
Indoor fan motor fault
E7
Run – 7 flashes every 8 seconds
Outdoor temperature sensor
E8
Run – 8 flashes every 8 seconds
Exhaust temp. sensor
E9
Run – 9 flashes every 8 seconds
IPM drive and module fault
EF
Run – 10 flashes every 8 seconds
Outdoor fan motor fault (DC motor)
EA
Run – 11 flashes every 8 seconds
Current sensor fault
EE
Run – 12 flashes every 8 seconds
EEPROM fault
EP
Run – 13 flashes every 8 seconds
Temp. switch fault ( on top of the
compressor)
EU
Run – 14 flashes every 8 seconds
Voltage sensor fault
Protection Display Code List
P1
Run and Timer – 1 flash every 8
seconds
Overvoltage /lower voltage protection
P2
Run and Timer – 2 flashes every 8
seconds
Overcurrent protection
P4
Run and Timer – 4 flashes every 8
seconds
Exhaust over temperature protection
P5
Run and Timer – 5 flashes every 8
seconds
Too cool protection in cooling mode
P6
Run and Timer – 6 flashes every 8
seconds
Overheat protection in cooling mode
P7
Run and Timer – 7 flashes every 8
seconds
Overheat protection in heating mode
P8
Run and Timer – 8 flashes every 8
seconds
Outdoor over temperature
/ lower temperature protection
P9
Run and Timer – 9 flashes every 8
seconds
Drive protection (software control )
P0
Run and Timer – 10 flashes every 8
seconds
Module protection (hardware control)