TM 10--3510--221--24
0016 00--1/2 blank
ALARM WILL NOT TURN OFF WHEN SILENCE ALARM
SWITCH IS PRESSED
0016 00
THIS WORK PACKAGE COVERS:
Troubleshooting Alarm Will Not Turn Off When SILENCE ALARM Switch Is Pressed Fault
INITIAL SETUP:
Maintenance Level
Materials/Parts
Unit
Tools and Special Tools
Equipment Conditions
Tool Kit, General Mechanics (Item 1, WP 0272 00)
Power must be applied at main control
Multimeter (Item 2, WP 0272 00)
enclosure (WP 0010 00).
1. Press PBS5 to silence alarm.
Does alarm turn off?
YES Return to normal operation.
NO Go to step 2.
2. Position SW2 to OFF.
3. Open door on operator panel.
4. Remove wires connected to PBS5.
5. Press PBS5, then check for continuity across (+) and (--) terminals.
Does continuity exist?
YES Go to step 6.
NO Replace PBS5 (WP 0242 00).
6. Check wire connections between PBS5 and TB2 COM.
Are connections OK?
YES Go to TYPICAL DISCRETE INPUT SIGNAL FAULT (WP 0107 00) to check operation of
PBS5.
No Repair as required.
END OF WORK PACKAGE
