Wzm Fault Recti Cation - EMS WZM Manual

WZM Fault Recti cation

Fault symptoms seen at the WZM and their relevant recti cation processes are shown
below:
Device Type
Symptom
All Device Types. In Tamper.
All Device Types. Battery Fault.
All Device Types.
Signal Fault.
I/O Unit and ZIM.
Short Circuit /
Open Circuit.
Sounder. No Sndr Audio.
Sounder &
Head Missing.
Detector.
Detector.
Head Fault.
Detector.
Head Dirty.
Detector. Pre Alarm.
Detector.
Alarm.
Call Point
Alarm.
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Recti cation 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 tted 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.
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