Gree GMV-ND100L/A-T Service Manual page 78

GREE
Parameter
Parameter Name
Code
Silent function of
A7
ODU
Note:
In parameter setting status, "FAN", "TIMER", "SLEEP", and "SWING" are invalid. By pressing the
"ON/OFF" button, users can return to the main interface but not power on/off the unit.
In parameter setting status, signals of the remote controller are invalid.
5.1.7 Failure Display
When a fault occurs during the system operation, the temperature area of wired controller displays
the fault code. When multiple faults occur, fault codes are circularly displayed.
◆
When a fault occurs, power off the unit and ask for professional maintenance personnel for help.
The following figure shows the power-on high-pressure protection fault interface.
Note: If the IDU connected with the current wired controller is a fresh-air IDU, "FAP" is displayed on the
main interface of the wired controller. Only the outlet temperature can be set for the fresh-air IDU. For the
setting method, see the "IDU Function Settings" section.
Parameter Range
00: no silent function
01-09: intelligent
nighttime silent mode
10-12: forcible silent
mode
Power-on High-pressure Protection Fault Interface
GMV5 INDOOR UNIT SERVICE MANUAL
Default Value Remark
Enter query in "A7" status. The
temperature area displays the
00 function code and the timer area
displays the corresponding function
setting value.
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