User's Manual

Table Of Contents
DIB-500 R4.1 Component replacement
Replacing components of the VAC and alarm system expansion – optional
194 Installation, Operation and Service Manual 90DIB500R41IM_FCC02 99.1
Carry out the following steps:
Risk of injury
The equipment rack features sharp edges on the inside. Risk of injury if you do not wear
protective gloves.
Always wear protective gloves for the following process steps.
1. Loosen the fastening screw of the rectifier module using a size 2 cross-head
screwdriver, refer to Figure 11.13.
Figure 11.13 Rectifier module fastening screw
When loosening the fastening screw, the rectifier module is slightly pushed out
of the mounting frame.
Risk of damage
Damage of the component. The connector of the component is on the rear and may be
damaged when stored improperly.
Do not place the component on its rear side. Otherwise the connector may be dam-
aged.
Risk of burns
Risk of burns when touching the component. The component may become hot during
operation.
Always wear protective gloves when handling the component.
2. Pull the component out of the subrack cautiously.