Maintenance; Error Code - Gree GWH(09)KF-K3DNA6E/I Service Manual

8. Maintenance

8.1 Error Code

1. Malfunction display requirement
When there are several malfunctions, they will be displayed circularly.
2. Malfunction display method
(1) Hardware malfunction: immediate display; refer to "error code list";
(2) Operation state: immediate display; refer to "error code list";
(3) Other malfunctions: it is displayed after the compressor stops for 200s; refer to "error code list".
Note: when the compressor is restarted, the malfunction display delay time (200s) is cleared.
3. Malfunction display control
The indicator lamp and dual 8 nixie tube displays shall be synchronized. That is when the indicator lamp blinks, the dual 8 nixie
tube displays the corresponding malfunction code.
4. Display control viaremote controller
Enter display control: press light button successively for 6 times within 3s to display the corresponding malfunction code;
Exit display control: pressing light button successively for 6 times within 3s or after display is shown for 5min, the display will
terminate.
Error Code List
Malfunction Name
Fault in input power zero
Jumper cap malfunction protection
No feedback of indoor fan motor
Indoor ambient sensor open or short circuit
Indoor tube sensor open or short circuit
Inlet tube sensor malfunction
Outlet tube sensor malfunction
IPM sensor circuit malfunction
Outdoor ambient sensor open or short circuit
Inlet pipe temperature sensor of outdoor
condenser is open-circuit/short circuit(commercial
air con)
Outdoor tube sensor open or short circuit
outlet pipe temperature sensor of outdoor
condenser is open-circuit/short circuit(commercial
air con)
Exhaust sensor open or short circuit
Communication failure between indoor unit and
outdoor unit
Compressor phase current detection circuit
malfunction
Compressor demagnetization protection
PN voltage drop protection
IPM high temperature protection
Refrigerant-lacking or blockage protection
Capacitor charge malfunction
Refrigerant system high pressure protection
system low-pressure protection (reserved)
Compressor over load protection
Fault in matching
Loading EEPROM malfunction
AC current detect circuit malfunction
Outdoor DC fan motor malfunction
Mode conflict
26
Dual-8
Malfunction types
Nixie Tube
Hardware malfunction U8
Hardware malfunction C5
Hardware malfunction H6
Hardware malfunction F1
Hardware malfunction F2
Hardware malfunction b5
Hardware malfunction b7
Hardware malfunction P7
Hardware malfunction F3
Hardware malfunction A5
Hardware malfunction F4
Hardware malfunction A7
Hardware malfunction F5
Hardware malfunction E6
Hardware malfunction U1
It can be displayed HE
through remote
U3
controller within 200s
P8
and displayed directly
F0
after 200s
Hardware malfunction PU
Hardware malfunction E1
Hardware malfunction E3
It can be displayed
through remote
controller within 200s H3
and displayed directly
after 200s
Hardware malfunction LP
Hardware malfunction EE
Hardware malfunction U5
Hardware malfunction L3
operation status E7
Indicator Display
Operation Cooling
indicator indicator
blink 17 times
blink 15 times
blink 11 times
blink once
blink twice
blink 19 times
blink 22 times
blink 3 times
blink 4 times
blink 5 times
blink 6 times
blink 10 times
blink once
blink 3 times
blink 19 times
blink 13 times
blink 23 times
blink 7 times
Installation and Maintenance
Service Manual
Heating
indicator
blink 18 times
blink 12 times
blink 14 times
blink 20 times
blink 19 times
blink 17 times
blink 3 times
blink 15 times