CCR Fault – Over Current

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Title

CCR Fault – Over Current

URL Name

CCR-Fault-Over-Current

Summary

Explains the Over Current fault condition on the Type L-828 / L-829 CCR and the manual-listed attempt to correct procedure.

Content

Fault Description

Per FAA specifications, this fault will occur in one of two conditions.

The output current must meet one of the following:

Be 5% over nominal current output for 5 seconds.
Be 25% over nominal current output for 1 second.

This fault may be caused by hardware failures.

Attempt to Correct

Put the CCR into Local mode and turn output off.
Open the CCR door and do a visual inspection for signs of damage.
Pull the door switch plunger laterally toward you to bypass the door interlock.
Turn the CCR on to the first brightness step.
Check to see if the solid state relay (SSR) coil indicator is lit up.
Contact Airport Lighting Company.

Airport Lighting Company | Type L-828, Type L-829 Ferroresonant Constant Current Regulator

Constant Current Regulator

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CCR Fault – Over Current