Troubleshooting The Alarm Beacon - Huawei FusionModule5000 Maintenance Manual

FusionModule2000 Smart Modular Data Center
Maintenance Guide
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Step 2 Check whether smoke detector cables are properly connected to the base and skylight
controller. Test the cables section by section using a multimeter to check whether the cables
are short-circuited or open-circuited.
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4.3.6 Troubleshooting the Alarm Beacon

Symptom
The alarm beacon does not generate an alarm when an alarm condition is triggered.
Possible Causes
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Procedure
Step 1 Check whether the alarm beacon is faulty. When the alarm beacon is on, use a multimeter to
measure the voltage at both ends of the wiring terminal (12 V DC) of the alarm beacon, and
check whether the voltage is normal.
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Step 2 Check whether the alarm beacon cable is properly connected to the skylight controller. Test
the cable section by section using a multimeter to check whether the cable is short-circuited or
open-circuited.
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Issue 01 (2016-10-18)
If yes, the smoke detector is faulty. Replace the smoke detector and check whether the
fault is rectified.
− If the fault is rectified, no further action is required.
If the fault is not rectified, go to
−
If no, the smoke detector is normal but the fault persists, go to
If yes, replace the cables and check whether the fault is rectified.
If the fault is rectified, no further action is required.
−
− If the fault is not rectified, contact Huawei technical support.
If no, but the fault persists, contact Huawei technical support.
The alarm beacon is faulty.
The cable to the alarm beacon is faulty.
If yes, the alarm beacon is faulty. Replace the alarm beacon, and check whether the fault
is rectified.
− If the fault is rectified, no further action is required.
− If the fault is not rectified, go to
If no, the alarm beacon is functional but the fault persists, go to
If yes, replace the cable and check whether the fault is rectified.
− If the fault is rectified, no further action is required.
− If the fault is not rectified, contact Huawei technical support.
If no, but the fault persists, contact Huawei technical support.
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