3600I
Page: 36
4.2 TROUBLESHOOTING
This section is intended to be a guide to correct problems which may happen during
normal operation.
Table 22: Troubleshooting Table
Problem
Cause
Corrective Action
LEDs Off
Fault Relay at N.O 0-
20mA at 0mA
No power at the unit
•
Check that the correct power is
sent to the detector.
•
Check power polarity.
•
Check wiring in the detector.
•
Send the detector back for
repairs.
Yellow LED flashes
at 4 Hz
Fault Relay at N.O 0-
20mA at 0mA
Fault Detector
•
Low Voltage
•
Faulty Detector
•
Check the voltage at the
detector; verify at least 24V at
the detector terminal.
•
Send the detector back for
repairs.
Yellow LED flashes
at 4 Hz
Fault Relay at N.O 0-
20mA at 2mA
BIT Fault
•
Faulty Detector
•
Clean detector window.
•
Re-power the detector.
•
Replace the detector.
Red LED constantly
on
If no fire exists, then,
detector alarm
latched
Perform
Reset
to the detector.
Alarm Relay at On 0-
20mA at 20mA
Alarm condition
•
Check cause for alarm.
•
If no alarm, re-power the
detector.
•
Send the detector back for
repairs.