Gree GMV6 DC Inverter VRF Units Service Manual
Possible causes: --
Troubleshooting: not required.
2.10 "AF" Fan State
Fault display: main board of outdoor unit displays
Fault diagnosis:
This is a status code. It indicates that the system has entered the fan mode. In this case, all the
indoor units operate only in fan mode.
Possible causes: --
Troubleshooting: not required.
2.11 "AE" Artificial Refrigerant Charging State
Fault display: main board of outdoor unit displays
Fault diagnosis:
This is a status code. It indicates that the system has employed artificial refrigerant charging mode.
Possible causes: --
Troubleshooting: not required.
2.12 "AJ" Filter Clean Prompt
Fault display: wired controller of indoor unit and receiver of indoor unit display
Applicable models: all indoor units
Fault diagnosis:
This is a status code. It indicates that the filter of indoor unit needs to be cleaned. The cleaning
interval of filter can be set according to actual circumstances.
Possible causes: --
Troubleshooting: Clean the filter and remove the prompt to have the filter proceeds to the next
service cycle.
2.13 "AP" Unit Commissioning Startup Confirmation
Fault display: main board of outdoor unit displays
Fault diagnosis:
This is a status code. It indicates that the unit has been commissioned and is ready for operation.
Possible causes: --
Troubleshooting: not required.
2.14 "AU" Remote Control for Emergency Stop
Fault display: main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit
display
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