REPAIR/REPLACEMENT PROCEDURES
POWER ENTRY PANEL REPLACEMENT
I-E96-508C 7 - 5
2. Locate fuse F1 (at the rear of the module by P1 edge con-
nector). See Figure 3-5.
3. Use a fuse removal tool to extract fuse F1.
4. Insert a new 10 A, 125 V fast-acting fuse for 24 VDC input,
or a 5 A, 125 V fast-acting fuse for 48 VDC input.
5. To install the power module after changing its fuse, repeat
the steps under POWER MODULE REPLACEMENT.
POWER ENTRY PANEL REPLACEMENT
If the power entry panel needs replacement, follow these steps:
1. Turn off power to the cabinet at the DC power source.
2. Open the rear door of the cabinet to gain access to the rear
of the power entry panel.
3. Remove all wiring from the power entry panel. Label the
wires as you remove them.
4. From the rear of the cabinet, use a 16-inch flathead screw-
driver to remove the 4 mounting screws.
5. Pull the power entry panel out of the cabinet.
6. From the rear of the cabinet, insert the replacement power
entry panel in the same mounting space.
7. Secure the power entry panel in the cabinet with the
4 mounting screws.
8. With power entry panel circuit breakers off, connect the
wiring that was removed in Step 3. Appendix C contains power
entry panel wiring diagrams.
WARNING
Verify the main power and power entry panel circuit breakers
are turned off before starting installation, retrofit, upgrade, or
wiring procedures. Failure to do so could result in severe or
fatal shock. Do not turn the power on until the installation, ret-
rofit, upgrade, or wiring procedures are complete.
AVERTISSEMENT
Assurez-vous que le disjoncteur d'alimentation principal et le
disjoncteur de panneau d'entrée des alimentatoins sont éteints
avant de procéder à l'installation, à la mise jour, à l'extension
ou au câblage, dans le but d'éviter les chocs sérieux et même
mortels. Ne rétablissez pas l'alimentation tant que ces procé-
dures ne sont pas terminées.
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