Gree GMV6 DC Inverter VRF Units Service Manual
121
2.73 "FE" Abnormal Current Sensor of Compressor 4
Fault display:
main board of outdoor unit, wired controller of indoor unit and receiver of indoor unit
display
Fault diagnosis:
The circuit detection circuit samples the AD value and determines the range of AD value. When the
sampled AD value exceeds the limits for 3 consecutive seconds, the fault is generated.
Possible causes:
■ Poor contact between the circuit sensor and the main board interface;
■ Abnormal small board of circuit sensor;
■ Abnormal detection circuit.
Troubleshooting:
Yes
"FE" Abn ormal Cur rent
Sen sor of Compr essor 4
Remove the foreign
matters and plug it tightly
The detection circuit may
ope rate impro perly
Yes
Replace th e main control
boa rd
No
Whether th e i nter face
terminal between the main boa rd
and the te mpe rature se nso r ge ts l oose o r
contains forei gn matters?
No
Is th e p roblem so lve d after the small
boa rd o f circu it se nsor is replaced?