Failure Display - Gree GMV-ND07PLS/A-T(U) Service Manual

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