Power Supply Troubleshooting Flowchart - MES SQA-Vision Service Manual

SQA-Vision
Service Manual Version 109.13.4
Power Supply – Troubleshooting Flow Chart
Appendix 3:
Replace the fuses
Yes Yes
Yes Yes
Problem was
End of
troubleshooting
OK OK OK OK
Contact MES
support
services
Edition rev.: Jan 2020
The main switch is ON, but the
power indicator does not light up
and the fan is not working
Burnt fuses Burnt fuses Burnt fuses Burnt fuses
(see p.13)
Not Not Not Not
solved?
Check the output
OK OK OK OK
voltage of PSU
(see p.13)
Not OK Not OK Not OK Not OK
Voltage is OK?
Replace the
(see p.13-14)
Fuses are OK Fuses are OK
Fuses are OK Fuses are OK
Check the fuses
(see p.13)
Check the input
voltage of PSU
(see p.13)
Not OK Not OK Not OK Not OK
Voltage is OK?
PSU
End of
troubleshooting
27
Replace the
power inlet
(see p.14)
Yes Yes Yes Yes
Problem was
solved?
Not Not Not Not
Contact MES
support
services