Power Supply Troubleshooting Flowchart - MES SQA-V Gold Service Manual

SQA-V
and
Appendix 4:

Power Supply Troubleshooting Flowchart

Replace the fuses
(see p.16)
Yes Yes Yes Yes
Problem was
solved?
End of
troubleshooting
OK OK
OK OK
Contact MES
support
services
Service Manual Dec_2019
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
Check the fuses
Not Not
Not Not
Check the output
OK OK OK OK
voltage of PSU
(see p.17)
Not OK Not OK
Not OK Not OK
Voltage is OK?
Replace the
(see p.17)
Fuses are OK Fuses are OK
Fuses are OK Fuses are OK
(see p.16)
Check the input
voltage of PSU
(see p.16)
Not OK Not OK Not OK Not OK
Voltage is OK?
PSU
End of
troubleshooting
44
Replace the
power inlet
(see p.19)
Yes Yes Yes Yes
Problem was
solved?
Not Not Not Not
Contact MES
support
services