Routine Maintenance; Troubleshooting The Controller Cip In A Lorain Cip Power System - Emerson Lorain CIP 4890 AP6C55CB User Manual

7. Maintenance
7.1.

Routine maintenance

The following is a list of general preventive maintenance procedures, which
should be performed periodically as required according to the environmental
conditions and customer maintenance policy to ensure trouble free operation
of your AP6C55CA/CB Lorain CIP and Lorain CIP Access power systems:
A digital voltmeter, Fluke 8050A or equivalent, is required when verifying
the Lorain CIP and Lorain CIP Access power systems.
7.2. Troubleshooting
The following subsections provide information for troubleshooting alarm
conditions on the Lorain CIP and Lorain CIP Access power systems.
7.2.1.

Troubleshooting the Controller CIP in a Lorain CIP power system

The following Table lists the alarms that may occur on a Lorain CIP power
system equipped with a Controller CIP, and identifies their severity as well as
the conditions that cause them.
User Manual
Lorain Power System (AP6C55CA/CB)
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•
clean all ventilation openings,
•
replace air filters, if provided, on the rectifiers,
•
check for hot fuses or breakers (loose, undersized or overloaded),
•
verify that all rectifiers are operating normally (green LED on and fan
operating),
•
verify alarm thresholds,
•
verify operational settings.
165
UM6C55C (P7000597)
Standard 10.00 (March 2008)