Gree GMV-224WM/G-X Service Manual

Gree GMV6 DC Inverter VRF Units Service Manual
106
Yes
"dC" Abnormal Settings of
DIP Switch for Capacity
Redial the DIP switch
The detection circuit is
abnormal
Yes
Replace the main control
board
Whether the DIP switch for
capacity on th e main board is dial ed
to a n incorrect position?
No
2.54 "dL" Air Outlet Temperature Sensor Fault
Fault display: wired controller of indoor unit and receiver of indoor unit display
Fault diagnosis:
The temperature sensor detection circuit samples the AD value of temperature sensor and
determines the range of AD value. When the sampled AD value exceeds the limits for 5 consecutive
seconds, the fault is generated.
Possible causes:
■ Poor contact between the air outlet temperature sensor and the main board interface;
■ Abnormal air outlet temperature sensor;
■ Abnormal detection circuit.
Troubleshooting:
Yes
"dL" Air Outlet Temperatu re
Sensor Fault
Remove the foreign
matters and plug it tightly
The detection circuit is
abnormal
Yes
Replace the main control
board
Whether th e i nterface
terminal between the main board
and air outlet temper ature sen sor gets lo ose
or contains foreign matters?
No
Is the problem
solved after th e a ir o utlet te mperature
sensor is repl aced?
No

Gree GMV-224WM/G-X Specifications

General

Brand	Gree
Model	GMV-224WM/G-X
Category	Inverter
Language	English