Gree GMV6 DC Inverter VRF Units Service Manual
Yes
"d6" Outlet P ipe
Temperature Sen sor Fault
Remove the foreign
matters and plug it tightly
The detection circuit may
operate impro perly
Yes
Replace the main control
board
No
Is the p roblem solved after
the outlet pipe temperature sensor
is re placed?
Whether the i nterface
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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