20
Device Type
All Device Types.
All Device Types.
All Device Types.
I/O Unit and ZIM.
Sounder.
Sounder &
Detector.
Detector.
Detector.
Detector.
Detector.
Call Point
Symptom
In Tamper.
Battery Fault.
Signal Fault.
Short Circuit /
Open Circuit.
No Sndr Audio.
Head Missing.
Head Fault.
Head Dirty.
Pre Alarm.
Alarm.
Alarm.
Rectification Process
Check device is inserted correctly into its base.
Check all batteries are inserted correctly. Check voltage
on batteries. Replace batteries if necessary or re-insert
correctly.
Check devices is in its correct location.
Check that the device is powered (see step 3).
Test the device locally at the WZM.
Check the devices signal level (see step 6).
Check the 20k end of line resistor is in place and that
connections are secure.
Check for sounder audio. Also check the Audio Detect
Switch on the wireless module. See device installation
instructions for more information.
Check head in situ and check connectivity of head to
base. The head missing fault will clear upon successful
re-location.
Check the head is fitted correctly. If the problem is not
related to the Detector Head connection it is
recommended that the Detector Head is replaced.
It is recommended that the Detector Head is replaced.
Check device is in a clean environment and is free from
smoke, dust and dirt.
Ensure that the environment of the devices location is
free of smoke residue and dust.
Check the devices glass is in tact.
WZM Fault Rectification
Fault symptoms seen at the WZM and their relevant rectification processes are shown
below:
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