Service Manual
7.9.7 -
Removing the Assembly:
Replacing the Assembly:
Adjusting the LCD contrast:
If required the contrast of the LCD can be adjusted using the potentiometer P1 on the rear of the Operator Control
Panel assembly.
3x3 UPS
Issue 2 - November 2001
1.
Power down the UPS and carry out the DC bus Discharge routine.
2.
Gain access to the rear of the UPS's Front door.
3.
Mark all connectors before removal.
4.
Disconnect connectors CN1 and J1.
5.
Remove the Left and Right hand fixing bolts in order to remove the assembly.
1.
Replacing the Operator Control Panel assembly is the oppoite sequence to the removal.
PCB Replacement Procedures
7 - 37
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