Maintenance
Maintenance Manual 61
Important Safety Instructions
It is important to remember that the PCS100 is designed to supply power even when it is disconnected
from the power grid. The interior of the PCS100 is unsafe until the DC power source is disconnected
and the AC/DC inputs are disengaged. It is recommended to wait a period of at least five minutes for
capacitor bleed-off before attempting to service any components.
Before attempting any work around the PCS100, observe the following precautions:
Remove any watches, rings, or other metallic accessories.
Only use tools with insulated handles.
Wear rubber gloves and boots.
Do not lay tools or metal parts on top of the cabinet.
Removing an LCD Module
1. Open the front door. See “Opening a Front Door” on page 20.
2. Remove the L plate. See “Removing an L Plate” on page 59.
3. Locate the rear of the plate. The LCD module is secured to the plate using screws and bolts.
4. Remove the screws securing the LCD module.
5. Remove the LCD module.
Figure 80. Removing an LCD Module
Maintenance should only be performed by qualified personnel.
Lethal voltage is present in the PCS100. The unit must not be operated with the front
door doors open. At no time should you make any assumptions of the electrical state of
the PCS100.
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