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