Yueming MF20 - Chapter 5 Troubleshooting

33
chapter5. Troubleshooting
No.
Failure
Reason
Solution
1
Can’t turn on the
equipment
 The circuit breaker in the
electrical control box isn’t turned
on
 Turn on the circuit breaker
 Key switch is damaged
 Replace the key switch
 Intermediate relay is damaged
 Replace the intermediate relay
 System short circuit
 Check and repair the short
circuit
2
Can’t turn on the
laser /
galvanometer
 Control button is damaged
 Replace the control button
 Control switching power supply is
damaged
 Replace the switching power
supply of same model
 Intermediate relay is damaged
 Replace the intermediate relay
3
Can’t find the
control card
 External switching power supply
is damaged
 Replace the switching power
supply
 Control card power cord plug is
loose
 Reseat connector plug
 USB cable isn’t plugged in
properly
 Reinsert the USB cable properly
 Driver is uninstalled or not
installed
 Reinstall the driver
 Control card is damaged
 Replace the control card
4
Marking graph
deformed
 Correction parameter is incorrect
 Modify the correction
parameters
 Scale is incorrect
 Modify the scale parameter
 Galvanometer signal cable isn’t
plugged in properly
 Check the signal cable interface
and plug properly