Maintenance and Troubleshooting
Chapter 5
515
Output Module Fuse Replacement
If the FUSE BLOWN indicator on any of the Output Modules is illuminated,
one or more Output Module fuses is blown. Perform the following steps to
replace a blown Output Module fuse:
CAUTION: Replacement fuses must be the correct type and
rating. using the wrong fuse can result in damage to equipment
or Module circuitry.
WARNING: Contact with AC line potentials may cause injury to
personnel. Removing power from the System Power Supply does
not remove the external power source supplying the Field Wiring
Arm. Failure to remove this external power source causes voltage
to be present at Field Wiring Arm terminals.
1. Place Mini–PLC–2/15 Processor in the PROG mode and support memory.
2. Remove system power and I/O power.
3. Correct the cause of the blown fuse.
4. Remove the Output Module.
5. Remove the two fuse cover screws as shown in Figure 5.3.
6. Carefully remove the cover on the reverse side of these two screws.
7. Remove the blown fuse and install a replacement fuse (Figure 5.4).
8. Install the front fuse cover and screw in place on the Module.
9. Install the Module in the Chassis and restore system and I/O power.
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