Gree GMV6 DC Inverter VRF Units Service Manual
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If a parameter is invalid on the unit, value "00" is displayed.
If there are two levels of menus on the master unit, you can press the SW4 back button to return to
the previous level. Press the SW4 query button again to exit query status.
If you do not press any button on the master unit in 5 minutes, the system will automatically exit the
current screen and the unit will resume displaying the current status.
4.3 Restoration to Default Settings
Restoration to default settings 1 (clearing all settings)
On the main board of the master unit, press and hold the SW1 up button and SW4 back button for
over 10 seconds to restore the system default settings. All modules display as follows:
Meaning
Address
Display
Function
Display
Status code
Display
Restoration to default
ADD On 01 On 0C
Blinks for 3
At this time, the system clears all settings, including engineering numbers of the indoor and outdoor
units, quantities of the indoor and outdoor units, and commissioning completion status.
Restoration to default settings 2 (clearing all settings except the commissioning status)
On the main board of the master unit, press and hold the SW2 down button and SW4 back button
for over 10 seconds to clear all the system settings. All modules display as follows:
Meaning
Address
Display
Function
Display
Status code
Display
Restoration to default
ADD On 02 On 0C
Blinks for 3
At this time, the system clears all settings, including engineering numbers of the indoor and outdoor
units, but stores quantities of the indoor and outdoor units, and commissioning completion status.
Restoration to default settings 3 (clearing only function settings of the outdoor unit)
On the main board of the master unit, press and hold the SW3 back button and SW4 back button for
over 10 seconds to clear all the system settings. All modules display as follows:
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