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Check around Move thing
If cooling-water lacked Check if cooling water lacked
Fan strap loose s Maintain fan strap
Radiator cooling orifice walled up Clean radiator cooled part
Thermostat abnormal Maintain thermostat
Electrical fan abnormal Check and replace fuse
Over hot
Electrical fan abnormal Check and mend receptacle guarder
Fault Reason Solution
Bad voltmeter Replace
Bad AVR Consult with dealer
ZNR is burnt
Rotary rectifier is burnt
Rotor circuitry break
The voltage value is not right or
there is no voltage.
Engine circuitry is burnt
Bad voltmeter Replace
Bad AVR Consult with dealer
Bad VR
Rotary rectifier is burnt
ZNR is burnt
Generator cable is burnt
The generator can't reach rated
voltage.
Rotation speed is too low Increase the speed
Bad voltmeter Replace
Bad AVR Consult with dealer
Over voltage
Bad VR
Rotary rectifier is burnt Consult with dealer
Bad AVR
Voltage decreases too much
when connected with load.
Load is not equal Make them equal.
Bad breaker Consult with dealer
Bad breaker
Breaker can't work.
Load circuitry is shorted Check