Friday, December 31, 2021

Gree Ducted GFH Error Codes

28 komentar

 Error Code = E1

Malfunction Name = High Pressure Protection

Origin Of Malfunction Signal = High pressure switch . 

Control Description = When outdoor unit detects the high pressure switch is cut off for 3s successively, high pressure protection will occur. All the loads (except the 4-way valve in heating mode) will be switched off. In this case, all the buttons and remote control signals except ON/OFF button will be disabled and cannot be recovered automatically. Switch off the unit or re-energize the unit after cutting off power to eliminate this protection. 


Error Code = E2

Malfunction Name = Freeze protection 

Origin Of Malfunction Signal = Indoor evaporator temperature sensor 

Control Description = If detecting that the evaporator temperature is lower than protective temp. value after the unit has been running for a period of time under cooling or dry mode, the unit will report this fault, in which case the compressor and outdoor fan motor will be stopped. The unit will not run until evaporator temperature is higher than the protective temp. value and the compressor is stopped for 3min 


Error Code = E3

Malfunction Name = Refrigerant lacking protection 

Origin Of Malfunction Signal =

Control Description = If the unit reports system refrigerant lacking within 10min after turning on the unit, the unit will stop operation. If the fault occurs successively 3 times, the unit cannot be recovered automatically. 

Error Code = E3

Malfunction Name = Refrigerant recycling mode 

Origin Of Malfunction Signal =

Control Description = If enter refrigerant recycling mode through special operation, E3 will be displayed. After exiting refrigerant recycling mode, the code will disappear


Error Code = E4

Malfunction Name = Compressor high discharge temperature protection 

Origin Of Malfunction Signal = Compressor discharge temperature is high 

Control Description = If outdoor unit detects that the discharge temperature is higher than protective temp. value, the unit will report high discharge temperature protection. If the protection occurs over 6 times, the unit cannot be recovered automatically. Switch off the unit or re-energize the unit after cutting off power to eliminate this protection. 


Error Code = E6

Malfunction Name = Communication malfunction 

Origin Of Malfunction Signal = Communication between indoor and outdoor mainboard 

Control Description = If the outdoor unit does not receive data from indoor unit, communication malfunction will be reported. If there is communication abnormity between display board and indoor unit, communication malfunction will be reported too


Error Code = E8

Malfunction Name = Malfunction of indoor fan motor 

Origin Of Malfunction Signal = Indoor fan motor 

Control Description = If the indoor unit does not receive signal from indoor fan motor for 30s successively when the fan motor is operating, indoor fan motor malfunction will be reported. In this case, the unit can automatically resume operation after stopping. If the malfunction occurs 6 times within one hour, the unit cannot be recovered automatically. Switch off the unit or re-energize the unit after cutting off power to eliminate this malfunction


Error Code = E9

Malfunction Name = Full water protection 

Origin Of Malfunction Signal = Water level switch 

Control Description = If cut-off of water level switch is detected for 8s successively once energized, the system will enter full water protection. In this case, switch off the unit and then switch it on to eliminate this malfunction


Error Code = F0

Malfunction Name = Malfunction of indoor ambient temperature sensor at air return port

Origin Of Malfunction Signal = Indoor ambient temperature sensor 

Control Description = If the indoor ambient temperature sensor is detected of open circuit or short circuit for 5s successively, indoor ambient temperature sensor malfunction will be reported. The unit can automatically resume operation after the malfunction disappears. If indoor ambient temperature sensor malfunction occurs in fan mode, only the error code is displayed and the indoor unit can work normally. 


Error Code = F1

Malfunction Name = Malfunction of evaporator temperature sensor 

Origin Of Malfunction Signal = Evaporator temperature sensor 

Control Description = If the indoor evaporator temperature sensor is detected of open circuit or short circuit for 5s successively, evaporator temperature sensor malfunction will be reported. The unit can automatically resume operation after the malfunction disappears. If evaporator temperature sensor malfunction occurs in fan mode, only the error code is displayed and the indoor unit can work normally. 


Error Code = F2

Malfunction Name = Malfunction of condenser temperature sensor 

Origin Of Malfunction Signal = Condenser temperature sensor 

Control Description = If the outdoor condenser temperature sensor is detected of open circuit or short circuit for 5s successively, condenser temperature sensor malfunction will be reported. The unit can automatically resume operation after the malfunction disappears. If condenser temperature sensor malfunction occurs in fan mode, only the error code is displayed and the indoor unit can work normally


Error Code = F3

Malfunction Name = Malfunction of outdoor ambient temperature sensor 

Origin Of Malfunction Signal = Outdoor ambient temperature sensor 

Control Description = If the outdoor ambient temperature sensor is detected of open circuit or short circuit for 5s successively, outdoor ambient temperature sensor malfunction will be reported. The unit can automatically resume operation after the malfunction disappears. If outdoor ambient temperature sensor malfunction occurs in fan mode, only the error code is displayed and the indoor unit can work normally. 


Error Code = F4

Malfunction Name = Malfunction of discharge temperature sensor 

Origin Of Malfunction Signal = Discharge temperature sensor 

Control Description = If the outdoor ambient temperature sensor is detected of open circuit or short circuit for 5s successively, outdoor ambient temperature sensor malfunction will be reported. The unit can automatically resume operation after the malfunction disappears. If outdoor ambient temperature sensor malfunction occurs in fan mode, only the error code is displayed and the indoor unit can work normally. 


Error Code = F5

Malfunction Name = Malfunction wired controller temperature sensor 

Origin Of Malfunction Signal = Wired controller 

Control Description = If the wired controller detects open circuit or short circuit of its temperature sensor for 5s successively, wired controller temperature sensor malfunction will be reported 


Error Code = ee

Malfunction Name = Malfunction of outdoor drive memory chip 

Origin Of Malfunction Signal = Outdoor drive board 

Control Description = If the memory chip of outdoor drive board is broken, the unit cannot be started. The unit cannot be recovered automatically. If the malfunction cannot be eliminated after switching off the unit and then energizing the unit for several times, please replace the outdoor drive board. 


Error Code = H3

Malfunction Name = Compressor overload protection 

Origin Of Malfunction Signal = Compressor overload switch 

Control Description = If it is detected within 3s successively that the overload switch is cut off under ON or standby state, the unit will report overload protection. If the fault occurs successively 3 times, the unit cannot be recovered automatically. Switch off the unit or re-energize the unit after cutting off power to eliminate this protection 


Error Code = H4

Malfunction Name = Overload protection 

Origin Of Malfunction Signal = Evaporator temperature, condenser temperature 

Control Description = If outdoor unit detects that the tube temperature is higher than protective temp. value, the unit will report overload protection. The unit will not restart operation until tube temperature is lower than the protective temp. value and the compressor is stopped for 3min. If the protection occurs over 6 times, the unit cannot be recovered automatically. Switch off the unit or re-energize the unit after cutting off power to eliminate this protection. 


Error Code = H6

Malfunction Name = Malfunction of outdoor fan motor 

Origin Of Malfunction Signal = Outdoor fan motor 

Control Description = If the outdoor unit does not receive signal from outdoor fan motor for 30s successively when the fan motor is operating, outdoor fan motor malfunction will be reported. In this case, the unit can automatically resume operation after stopping. If the malfunction occurs 6 times within one hour, the unit cannot be recovered automatically. Switch off the unit or re-energize the unit after cutting off power to eliminate this malfunction


Error Code = U7

Malfunction Name = Direction changing malfunction of 4-way valve 

Origin Of Malfunction Signal = 4-way valve 

Control Description = After the compressor starts operation in heating mode, if the outdoor unit detects the difference between evaporator temperature and indoor ambient temperature is lower than the protective value for 10min successively, direction changing malfunction of 4-way valve will be reported and the outdoor unit will stop operation. The unit can automatically resume operation in the first two malfunctions. If the malfunction occurs 3 times, the unit cannot be recovered automatically. Switch off the unit or re-energize the unit after cutting off power to eliminate this malfunction


Error Code = P6

Malfunction Name = Communication malfunction between main control and drive 

Origin Of Malfunction Signal = Communication between main control board and drive board 

Control Description = If the outdoor main control board does not receive data from drive board, communication malfunction between main control and drive will be reported. This malfunction can be eliminated automatically


Error Code = EE

Malfunction Name = Malfunction of outdoor main control memory chip 

Origin Of Malfunction Signal = Outdoor main control board 

Control Description = If the memory chip of outdoor main control board is broken, the unit cannot be started. The unit cannot be recovered automatically. If the malfunction cannot be eliminated after switching off the unit and then energizing the unit for several times, please replace the outdoor main control board 


Description of Drive Malfunction 

Main board dual 8 numeral tube Display Codes for Outdoor Unit of 24~60k 


Malfunction Item = DC busbar over-voltage protection 

Indoor Unit Display = PH

Outdoor unit display of dual 8 numeral tube  = PH


Malfunction Item =  IPM or PFC over-temperature protection 

Indoor Unit Display = P8

Outdoor unit display of dual 8 numeral tube  = P8


Malfunction Item = Current sense circuit error 

Indoor Unit Display = Pc

Outdoor unit display of dual 8 numeral tube  = Pc


Malfunction Item = IPM or PFC temperature sensor error 

Indoor Unit Display = P7

Outdoor unit display of dual 8 numeral tube  = P7


Malfunction Item = Compressor current protection 

Indoor Unit Display = P5

Outdoor unit display of dual 8 numeral tube  = P5


Malfunction Item = DC busbar under-voltage protection 

Indoor Unit Display = PL

Outdoor unit display of dual 8 numeral tube  = PL


Malfunction Item = Compressor startup failure 

Indoor Unit Display = Lc

Outdoor unit display of dual 8 numeral tube  = Lc


Malfunction Item = Drive module reset 

Indoor Unit Display = P0

Outdoor unit display of dual 8 numeral tube  = P0


Malfunction Item = Compressor motor desynchronizing 

Indoor Unit Display = H7

Outdoor unit display of dual 8 numeral tube  = H7


Malfunction Item = Phase loss 

Indoor Unit Display = Ld

Outdoor unit display of dual 8 numeral tube  = Ld


Malfunction Item = Drive-to-main-control communication error 

Indoor Unit Display = P6

Outdoor unit display of dual 8 numeral tube  = P6


Malfunction Item = IPM protection

Indoor Unit Display = H5

Outdoor unit display of dual 8 numeral tube  = H5


Malfunction Item = Compressor overload protection 

Indoor Unit Display = H3

Outdoor unit display of dual 8 numeral tube  = H3


Malfunction Item = AC current protection (input side

Indoor Unit Display = PA

Outdoor unit display of dual 8 numeral tube  = PA


Malfunction Item = Charging circuit error 

Indoor Unit Display = PU

Outdoor unit display of dual 8 numeral tube  = PU


Malfunction Item = PFC protection 

Indoor Unit Display = HC

Outdoor unit display of dual 8 numeral tube  = HC


Malfunction Item = DC fan error 

Indoor Unit Display = H6

Outdoor unit display of dual 8 numeral tube  = H6


Malfunction Item = Input AC voltage abnormality 

Indoor Unit Display = PP

Outdoor unit display of dual 8 numeral tube  = PP


Malfunction Item = Driving board memory chip error 

Indoor Unit Display = ee

Outdoor unit display of dual 8 numeral tube  = ee


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Wednesday, December 29, 2021

Koppel Air Conditioner Error Codes

1 komentar
Indoor unit malfunction For floor standing
 
Indoor EEPROM malfunction E0 
Communication malfunction between indoor and outdoor units E1 
Open or short circuit of T1 temperature sensor E4 
Open or short circuit of T2 temperature sensor E5 
Refrigerant leakage detection EC 
Outdoor unit is faulty (for old communication protocol) Ed 
Overcurrent protection (For some units) F0 
Open or short circuit of T4 temperature sensor F1 
Open or short circuit of T3 temperature sensor F2 
Open or short circuit of T5 temperature sensor F3 
Outdoor EEPROM malfunction (For some units) F4 
Open or short circuit of T2B temperature sensor F6 
IPM module malfunction P0 
Over voltage or over low voltage protection P1 
High temperature protection of top of compressor P2 
Too low ambient temperature protection P3 
Inverter compressor drive protection P4 
Sensor of outdoor IGBT is faulty P7

For Other Type

O (on) X(off) ☆(flash)

Malfunction = Indoor EEPROM malfunction
Error Code = E0
Timer Lamp = X
Operation Lamp ( Flashes ) = 1

Malfunction = Communication malfunction between indoor and outdoor units
Error Code = E1
Timer Lamp = X
Operation Lamp ( Flashes ) = 2

Malfunction = Open or short circuit of T1 temperature sensor
Error Code = E4
Timer Lamp = X
Operation Lamp ( Flashes ) = 5

Malfunction = Open or short circuit of T2 temperature sensor
Error Code = E5
Timer Lamp = X
Operation Lamp ( Flashes ) = 6

Malfunction = Refrigerant leakage detection
Error Code = EC
Timer Lamp = X
Operation Lamp ( Flashes ) = 7

Malfunction = Water level alarm
Error Code = EE
Timer Lamp = X
Operation Lamp ( Flashes ) = 8

Malfunction = Communication error between master and slave unit (for twins system)
Error Code = E8
Timer Lamp = X
Operation Lamp ( Flashes ) = 9

Malfunction = Another indoor unit malfunction (for twins system)
Error Code = E9
Timer Lamp = X
Operation Lamp ( Flashes ) = 10

Malfunction = Outdoor unit is faulty (for old communication protocol)
Error Code = Ed
Timer Lamp = X
Operation Lamp ( Flashes ) = 11

Malfunction = Overcurrent protection (For some units)
Error Code = F0
Timer Lamp = O
Operation Lamp ( Flashes ) = 1

Malfunction = Open or short circuit of T4 temperature sensor
Error Code = F1
Timer Lamp = O
Operation Lamp ( Flashes ) = 2

Malfunction = Open or short circuit of T3 temperature sensor
Error Code = F2
Timer Lamp = O
Operation Lamp ( Flashes ) = 3

Malfunction = Open or short circuit of T5 temperature sensor
Error Code = F3
Timer Lamp = O
Operation Lamp ( Flashes ) = 4

Malfunction = Outdoor EEPROM malfunction (For some units)
Error Code = F4
Timer Lamp = O
Operation Lamp ( Flashes ) = 5

Malfunction = Communication error between auto-lifting panel and slim cassette (For slim cassette with auto-lifting panel)
Error Code = F7
Timer Lamp = O
Operation Lamp ( Flashes ) = 8

Malfunction = Auto-lifting panel is faulty (For slim cassette with auto-lifting panel) 
Error Code = F8
Timer Lamp = O
Operation Lamp ( Flashes ) = 9

Malfunction = Auto-lifting panel is not closed (For slim cassette with auto-lifting panel)
Error Code = F9
Timer Lamp = O
Operation Lamp ( Flashes ) = 10

Malfunction = IPM module malfunction
Error Code = P0
Timer Lamp = ☆
Operation Lamp ( Flashes ) = 1

Malfunction = Over voltage or over low voltage protection
Error Code = P1
Timer Lamp = ☆
Operation Lamp ( Flashes ) = 2

Malfunction = High temperature protection of top of compressor
Error Code = P2
Timer Lamp = ☆
Operation Lamp ( Flashes ) = 3

Malfunction = Too low ambient temperature protection
Error Code = P3
Timer Lamp = ☆
Operation Lamp ( Flashes ) = 4

Malfunction = Inverter compressor drive protection
Error Code = P4
Timer Lamp = ☆
Operation Lamp ( Flashes ) = 5

Malfunction = Low pressure protection of compressor
Error Code = P6
Timer Lamp = ☆
Operation Lamp ( Flashes ) = 7

Malfunction = Sensor of outdoor IGBT is faulty
Error Code = P7
Timer Lamp = ☆
Operation Lamp ( Flashes ) = 8


Outdoor Unit Malfunction

E1 Communication malfunction between indoor and outdoor units
F0 Overcurrent protection
F1 Ambient temperature sensor (T4) is malfunction
F2 Outdoor heat-exchanger temperature sensor (T3) is malfunction
F3 Discharge temperature sensor (T5) is malfunction
F4 Outdoor EEPROM is malfunction
P0 IPM module protection
P1 Voltage protection (too high or too low)
P3 Protection of ultra-low ambient temperature
P4 Rotor position protection of compressor
J0 High temperature protection of indoor heat exchanger in heating mode
J1 High temperature protection of outdoor heat exchanger in cooling mode
J2 High discharge temperature protection
J3 PFC module protection
J4 Communication error between outdoor main chip and compressor driven chip IR341
J5 High pressure protection
J6 Low pressure protection
P7 Sensor of outdoor IGBT is faulty
J8 AC voltage protection

In low ambient cooling mode, the LED displays“LC” or alternative displays between running frequency
and “LC”(each displays 0.5s)



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