Gree GMV-60WL/C-T Owner's Manual page 27

—
Progress
12/AP
12_ Confirm
debugging startup
12/AE
15/AC
15_ Cooling
debugging
15/error code
16/AH
16_ Heating
debugging(For heat
pump units only)
16/error code
17_ Debugging
oF
finished
Description of each stage of debugging progress
Debugging code
LED
Code Display status
Display
circularly
Display
circularly
Display
circularly
Display
circularly
Display
circularly
Display
circularly
ON
Code meaning and operation method
Ready for units to start debugging. Press main board's
SW3 button to confirm startup of debugging. 2s later,
main board will display as below.
Startup is confirmed. After displaying for 2s, system will
choose "15_Cooling
debugging" according to ambient temperature. If the
project requests to add refrigerant but it is not
complemented before debugging, then refrigerant can be
added in this process through the L-VALVE.
Debugging for cooling mode. If no malfunction occurs for
50min when compressor is running, then the system is
certified as normal. After shutting down the unit for 5s,
the system will enter normal standby status.
Malfunction occurs when debugging for cooling mode.
Debugging for heating mode. If no malfunction occurs for
50min when compressor is running, then the system is
certified as normal. After shutting down the unit for 5s,
the system will enter normal standby status.
Malfunction occurs when debugging for heating mode.
The entire unit has finished debugging and under
standby-by condition.
24
DC Inverter Multi VRF System
debugging" or "16_Heating