Gree GMV6 DC Inverter VRF Units Service Manual
2.109 "L9" Inconsistent Number of Indoor Units Under Integrated
Control
Fault display: wired controller of indoor unit and receiver of indoor unit display
Applicable models: all indoor units
Fault diagnosis:
When more than 16 indoor units are connected to the wired controller or the number of indoor units
connected to the wired controller is not the same as what is configured under integrated control, the fault
is generated.
Possible causes:
■ More than 16 indoor units are connected to one wired controller;
■ The number of indoor units connected to the wired controller is not the same as what is configured
under integrated control.
Troubleshooting:
"L9" Inconsistent Number
of Indoor Units Unde r
Integrated Contro l
Whether more th an
16 indo or units are connected to the
wired controller?
Set the wired controller so that
one wired controller can only
control 16 indoor units at most
Yes
Enter th e wired controlle r p arameter
settings (P14) to set the number of
indoor units unde r in tegrate d control
to b e the same as the number of
indoor units th at are conne cted to the
wired controller
No
2.110 "LA" Inconsistent Series of Indoor Units Under Integrated
Control
Fault display: wired controller of indoor unit and receiver of indoor unit display
Applicable models: all indoor units
Fault diagnosis:
When the wired controller detects that the multiple indoor units connected to it belong to different
series, the fault is generated.
Possible causes:
■ The multiple indoor units connected to the wired controller belong to different series.
Troubleshooting:
Make sure that the multiple indoor units connected to the wired controller belong to the same series.
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