Power Inlet; Fan Assembly - MES SQA-V Gold Service Manual

and

Power Inlet

8.
ISSUE: There is no power supplied to the PSU from the inlet.
Notes:
1. Turn off the
power supply and
disconnect the
power cord from
the back of the
SQA-V device
before opening.
2. Refer to the
Appendix section
for a flow chart of
power supply
problems and
solutions.
inlet out the rear panel

Fan Assembly

9.
ISSUE: The main power switch is ON, the power indicator is lit, but the fan is not rotating.


Note:
1.
When replacing the
2.
fan, do not change
the direction of
airflow. Install the
3.
new fan in the
same direction and
orientation as a
replaced fan.
4.
5.
Note:
The fan on
veterinary systems
work only when the
system reaches a
certain internal
temperature and
requires cooling.
SQA-V
Service Manual Dec_2019
Power Inlet (Part# AP-9081001)
1. Open the SQA-V
2. Gently remove the rubber cover of the power
inlet until the connectors are exposed
3. Disconnect the three terminals from the power
inlet
4. Unscrew the power-inlet screws at the rear
panel of the device.
5. Gently pull out the power inlet from the rear
panel
6. Insert a new power inlet and reconnect the
terminals
7. Put the rubber cover back on the power inlet
Gently pull the power
Fan Assembly
For SQA-V of SN 1329 and below: use part# KHD-08-000856
For SQA-V of SN 1330 and above: use part #V-H-00575-00
Open the SQA-V
Verify that the both sides of cable connecting
the fan are plugged firmly
Verify that the voltage between black and purple
wires on output connector of PSU is +12V±0.8
(see paragraph 6 – "How to check the output
connector")
If no power is evident, replace the main PSU
(see paragraph 7)
If the voltage is as described above, replace the
fan + cable:
Disconnect the fan cable from PSU and from

main board
Unscrew the four fan screws

Replace the fan assembly (fan+ cable) by

new one
Screw the new fan to the rear panel of the

SQA-V using four screws
Reconnect all the disconnected cables

Unscrew the power inlet
screws
19
Remove the rubber cover
to expose the connectors
Disconnect the terminals
Unscrew the four fan screws