Gree GMV-N07G/A3A-D(U), Service Manual

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Multi Variable Air Conditioners Indoor Unit for North America
56
n3
Forcible
defrosting 00: common
01: forcible defrosting After settings, it automatically
restores to "00".
n4
Highest capacity
output
limitation
settings for ODU
08: 80%
09: 90%
10: 100%
10
Enter query in ―n4‖ status. The
temperature area displays the
function code and the timer area
displays the corresponding
function setting value.
A7
Silent function of
ODU
00: no silent function
01-09: intelligent
nighttime silent mode
10-12: forcible silent
mode
00
Enter query in ―A7" status. The
temperature area displays the
function code and the timer area
displays the corresponding
function setting value.
NOTICE!
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.
4.1.8 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.
Power-on High-pressure Protection Fault Interface
NOTICE!
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.