MES SQA-Vision, Service Manual

Page: 13 / 31

SQA-Vision
Service Manual Version 109.13.4
Edition rev.: Jan 2020 13
Power
issues: fuses,
PSU, power
inlet
Notes:
1. Turn off the
power supply
and disconnect
the power
supply cable
from the back of
the SQA-Vision
before opening.
2. Refer to the
Appendix section
for instructions
on how to
address power
supply problems.
Note:
Before checking
the input\ output
connectors of the
main PSU, turn on
the SQA-Vision.
Power issues - fuses, PSU, power inlet.
ISSUE: The main switch is ON , but the power indicator
does not light up and the fan is not working

Check the fuses in the fuses box located on the rear
panel of the SQA-Vision.

Replace the fuse if it is burned out.

Reconnect the power cord and turn the unit back on.

If the unit still does not work, check the input/output
voltage of PSU as instructed below.
How to check the input voltage of PSU:

Check the voltage on the input connector of the main
PSU using a multimeter
 The voltage should be ≈220V AC between the
black and the red wires

If no voltage is evident, replace the power inlet (see
the relevant section below)

If voltage is being supplied to the input connector,
check the output connector.
How to check the output voltage of PSU:

Disconnect the output cable from the motherboard.
 Check the voltage on the output connector of the main
PSU using a multimeter:
 0V: black wire
 +5V: red wire
 +12V: purple wire
 -12V: white wire
 If there is no voltage on the output connector or the
voltage is not correct, please replace the main PSU as
instructed below

If the problem persists, please contact Customers
Support.
Replacing the Power Supply Unit –
part #Fpe-E-00146-00
ISSUE : The power supply and/or cables are not working

Open the SQA-Vision.

Disconnect the input connector of the power supply
unit- location CN1.

Disconnect the output connector of the power supply
unit- location CN2.
 Using a #2 Philips screwdriver, unscrew the four
screws that connect the PSU to the rear panel.

Remove the old PSU.

Secure a new PSU to the rear panel using the same
four screws.

Re-connect the input and output cable connectors to
the PSU.
Power Supply
Unit (PSU)
Fuses box
Power Supply Unit
PSU Input connector
Power Supply Output Cable
Unscrew 4 screws of PSU