Document #50580 Rev. C 8/12/97 P/N 50580:C
37
Operation
✓
Reactivate the trouble relay
✓
Turn off local piezo
✓
Turn off the system Trouble LED
✓
Close CMD1 input
In addition to the above trouble condition restorals, the following specific restorals will occur:
AC restoral
•
Turn on the AC ON LED on the FC-PSM(E) module
•
The Power On LED on the front panel remains on
•
Reactivate the AC Loss Relay on the FC-PSM(E)
Battery restoral
•
Turn off the Battery Trouble LED on the FC-PSM(E) module
Ground Fault cleared
•
Turn off the Ground Fault LED on the FC-PSM(E) module
Microphone restoral
•
Turn off the Microphone Trouble LED on the front panel
Tone Generator restoral
•
Turn off the Tone Generator Trouble LED on the front panel
Message Generator restoral
•
Turn off the Message Generator Trouble LED on the front panel
Amplifier restoral
•
The AMP SUPR LED will turn on and the circuit Trouble LED will turn off. When the system is configured
for backup, restoral of the primary amplifier will cause the backup amplifier to be switched out
NAC (Speaker) Output restoral
•
The wiring to each amplifier is supervised for opens and shorts at all times in standby and while in alarm or
when background music is enabled
*
. A restoral of a wiring fault will cause the circuit Trouble LED located on
each amplifier module to turn off. It should be noted that the green AMP SUPR LED is on
*
Note that when the 70.7 V
RMS
Transformer Module is installed, the speaker wiring is not supervised
while in alarm and the use of background music is not permitted.
Power LED - power restoral
•
When external power is used to power the VECP [FC-PSM(E) module not installed], a restoral of input power
at TB3 will turn on the Power On LED
Internal Power Supplies restoral
•
Power fed to the amplifiers from the main circuit board is fully supervised. Restoral of standby or alarm
power feeds to either amplifier will cause the unit to clear the trouble indications
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