Series 8 C300 Controller User's Guide
Honeywell
9. C300 Controller Maintenance
This chapter describes the information about maintaining the C300 Controller including
replacement of the C300 Controller module and associated IOTA.
9.1
Periodic Checks
The following table identifies checks that you should make periodically (every 3 to 6
months) to keep the C300 Controller in good working condition.
Possible Corrective Action . . .
That all segments of the 4-character
display and the light emitting diodes
(LED) on C300 Controller are working.
If segment or LED is not lit or has
dimmed, you must replace the C300
Controller, since front-panel indicators
and LEDs are not field replaceable.
That all connections are secure.
Secure connections, as needed.
That cable insulation is not worn or
cracked.
Replace cables, as required.
9.2
Recommended Spare Parts
The following table provides a list of parts that you may want to keep on hand for
backup.
ATTENTION
Since aging occurs, even if the batteries have been regularly recharged
throughout their lifetime, the 24 Volt Battery, Honeywell part number
51199946-100 should be replaced after every two years of operation.
C300 Controller Input Output
Terminal Assembly
800 mA, quick-acting fuse on Input
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