Edwards Signaling 2400 Series User Manual

Page 35

7.0 TROUBLESHOOTING

CAUTION

Disconnect AC and battery power before installing or removing modules.

WARNING

Lethal voltages from other equipment may be present within the panel even with the

alarm system AC power source disconnected.

Table 7.1 - Trouble LEDs

Condition

Possible Cause

3 or 4-Phase flashing Amber ZONE DISABLED LED

1. System is in the Test mode (Disabled zones are under test)

Slow flashing Amber TROUBLE LED & Signal Appliances
operating

1. System is in the Drill mode

Slow flashing Green POWER ON LED & Trouble Buzzer
pulsing

1. System is in the Program mode
2. Program switch in "ON" position

Slow flashing Amber Common TROUBLE LED

NOTE:
When ONLY the common trouble LED is lit, the problem
is related to possible causes 3 through 12. To determine
the cause:
1. Silence the Trouble
2. Duplicate fault conditions 3 to 11, one at a time to see
if there is a subsequent trouble. When NO subsequent
trouble when the fault is duplicated, you have isolated
the cause of the trouble.

1. Circuit open, missing or wrong EOL resistor
2. Fuse F1 open
3. Excessive load on auxiliary power terminals
4. Battery lead not connected or open
5. Defective batteries
6. Defective power supply (replace)
7. Battery lead poorly connected
8. Battery low and currently charging
9. New module installed on power/data bus (program module)
10. Unresponsive module on power/data bus (replace module)
11. Programming Mode Switch in program mode
12. Battery fuse open

Slow flashing Amber TROUBLE LED, & slow flashing
Amber Signal Trouble LED

1. Electronic circuit breakers open
2. Circuit open, missing, or incorrect EOL resistor
3. Circuit shorted, improperly installed device

Slow flashing Amber TROUBLE LED & Ground Fault
LED.

1. Ground fault on field wiring

-RCT Trouble LED

1. Open Circuit on field wiring
2. Master box not reset

- ADM Trouble LED

1. Field wiring open

Table 7.2 - Panel Trouble

Condition

Possible Cause

4-Wire detectors will not reset

Auxiliary power not programmed as resettable

2-phase flashing Amber zone LED & zone disabled LED

Zone disable switch activated

3-phase flashing Amber zone LED & zone disabled LED

Zone in audible test mode

4-phase flashing Amber zone LED & zone disabled LED

Zone in silent test mode

Power LED flashing, panel will not work

Programming Mode Switch in the ON position