Troubleshooting
57
Climate 5000L • Climate 5000i U/L – 6721841492 (2022/03)
4C Indoor Unit
Table 10 Fault codes of type 4C indoor unit
4CC Indoor Unit
Table 11 Fault codes of type 4CC indoor unit
Fault code Content
EH 00/EH 0A Indoor unit EEPROM fault
EL 01 Communication fault between outdoor and indoor unit
EH 03 Indoor unit fan outside the normal range (with some units)
EH 60 Temperature sensor T1 (room temperature sensor) switched off or short-circuited
EH 61 Temperature sensor T2 (pipe temperature sensor) switched off or short-circuited
EL 0C Refrigerant leakage detector (with some units)
EH 0b Communication fault of the indoor unit main board
EH 0E Malfunction of the water level alarm
EC 53 Temperature sensor T4 (outside temperature) switched off or short-circuited
EC 52 Temperature sensor T3 (pipe temperature sensor) switched off or short-circuited
EC 54 Temperature sensor TP (compressor discharge temperature protection) switched off or short-circuited
EC 56 Temperature sensor T2B (pipe temperature) switched off or short-circuited
EC 51 Outdoor unit EEPROM fault
EC 07 Outdoor unit fan outside the normal range (with some units)
PC 00 IPM malfunction or IGBT overvoltage protector
PC 01 Overvoltage or low-voltage protection
PC 02 Maximum temperature protection of compressor or high temperature protection of IPM module
PC 04 Compressor control system failure of inverter
PC 03 High or low-pressure protection (with some units)
EC 0d Malfunction of outdoor unit
Content Timer lamp Operation lamp (flashes)
Indoor unit EEPROM fault OFF 1
Communication fault between outdoor and
indoor unit
OFF 2
Indoor unit fan outside the normal range
(with some units)
OFF 4
Temperature sensor T3 (pipe temperature
sensor) switched off or short-circuited
OFF 5
Temperature sensor T4 (outside temperature)
switched off or short-circuited
OFF 5
Temperature sensor TP (compressor discharge
temperature protection) switched off or short-
circuited
OFF 5
Temperature sensor T1 (room temperature
sensor) switched off or short-circuited
OFF 6
Temperature sensor T2 (pipe temperature
sensor) switched off or short-circuited
OFF 6
Refrigerant leakage detector (with some units) OFF 7
Malfunction of the water level alarm OFF 9
Outdoor unit fan outside the normal range
(with some units)
OFF 12
Outdoor unit is faulty
(for old communication protocol)
OFF 14
Outdoor unit EEPROM fault (with some units) ON 5
IPM malfunction FLASH (at 2Hz) 7
Overvoltage or low-voltage protection FLASH (at 2Hz) 2
Maximum temperature protection of compressor
or high temperature protection of IPM module
FLASH (at 2Hz) 3
High or low-pressure protection
(with some units)
FLASH (at 2Hz) 7
Compressor control system failure of inverter FLASH (at 2Hz) 5
To Next Page
Loading...
