FREQUENTLY ASKED QUESTIONS
C500 reports general fault with no additional indication on front panel.
The cause is fault of one (or more) of following:
- Backup amplifier: amplifier failure or module not detected;
- Monitored EVAC input: short or open circuit;
- Integrated Fireman Mic: microphone element / PTT button short or open;
- Front Panel Access Key (if provided): short or open circuit;
All other faults are additionally indicated with a corresponding LED indicator on the front panel.