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118 TimeCreator 1000 User’s Guide
097-93100-01 Revision C – February, 2010
Chapter 6 Maintenance and Troubleshooting
Diagnosing the IOC
1. Save the contents of the IOC memory in the IMC by issuing the following
command:
Type
set configuration backup ioc
and press
Enter
.
2. Issue the following command to take the IOC out of service:
Type
set ioc-state IOC1 disable
and press
Enter
.
3. Attach a wrist grounding strap and connect it to the TimeCreator 1000 chassis.
4. Loosen the captive retaining screws and pull out on them to unseat the IOC from
the shelf.
5. Place the IOC in a static-free bag or on a static-free surface.
Install a new IOC using the appropriate procedure in
Removing a Redundant IOC
To remove one IOC when two IOCs are in a shelf, use the following procedure:
1. Issue the following command to take the IOC out of service:
Type
set ioc-state disable IOC2
and press
Enter
.
2. Attach a wrist grounding strap and connect it to the TimeCreator 1000 chassis.
Warning:
To avoid possible electrostatic damage to the IOC, place it
in a static-free bag or on a static-free surface.
Note:
To avoid generating unnecessary alarms, be sure to take the
IOC out of service before removing it.
Caution:
To avoid a loss of output signals, do not take the only IOC in
a shelf out of service.
Note:
An IOC that is out of service cannot be selected to generate or
monitor outputs. An out-of-service IOC does not generate alarms.