Ravel RE-900, Инструкция по установке, пусконаладке и эксплуатации

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50 RE / DD / UM / RE-900 1.0-0
Chapter 7: Trouble Shooting
Indication Root Cause Remedy
There is no
indication on
the panel No power to
the Panel Check AC power
and Standby
power.
If there is any
false alarm
from the
detector May be the
detector is
faulty or check
EOL resistor
Detector
OPEN is not
detected by
the panel Total zone loop
current exceed
the rated value Check number of
detectors
connected in the
loop. Total
detectors current
should not go
above 2.5mA
Hooter fault
indication
There is no
proper
connection in
the hooter
Or loop Fault. If there is no hooter
connected to the
output, check if
EOL resistor
connected there or
not.
Check loop wiring
for short / open
using a meter.
If hooter is non-
polarized, then
ensure each
hooter’s +ve loop is
connected to 1N
4007 diode’s
cathode and the
hooter –ve loop
connected to the
anode of 1N 4007.
Connection Details for Non
Polarized Hooter