Gree GMV6 DC Inverter VRF Units Service Manual
Yes
"d6" Outlet Pipe
Temperature Sensor Fault
Remove the foreign
matters and plug it tightly
The detection circuit may
operate improperly
Yes
Replace the main control
board
No
Is the problem solved after
the outlet pipe temperature sensor
is replaced?
Whether the interface
terminal between the main board and outlet
pipe temperature sensor gets loose or
contains foreign matters?
No
2.48 "d7" Humidity 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 humidity sensor and the main board interface;
■ Abnormal humidity sensor;
■ Abnormal detection circuit.
Troubleshooting:
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