Hydrogen Alarm - Huawei FusionModule 1000B Maintenance Manual

FusionModule1000B Air-Cooled IT Solution
Maintenance Guide
Fault
Category

5.9 Hydrogen Alarm

Fault
Category
High
Hydrogen
Density
Issue 02 (2017-01-10)
Alar Symptom
m
Sever
ity
Alar Symptom
m
Sever
ity
Critica The management
l system displays a
hydrogen alarm
when cables are
correctly connected,
the hydrogen exhaust
fan is working
properly, and the
exhaust vent is not
blocked.
The hydrogen
exhaust fan does not
rotate or rotates
slowly.
All hardware is
intact during onsite
preventive
maintenance
inspection, but the
management system
displays a hydrogen
high alarm.
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Possible Troubleshooting
Cause
frozen.
Possible Troubleshooting
Cause
The hydrogen Replace the hydrogen
collector is collector by following
faulty. instructions in
documents delivered
with the hydrogen
collector.
Cables of the Verify the cable
connections.
hydrogen
exhaust fan are
not properly
connected.
The hydrogen Replace by following
exhaust fan is instructions in
faulty. Replacing a Hydrogen
Exhaust
The hydrogen For details, see
density is too Emergency Operations
high. for High Hydrogen
Density.
The exhaust Clear the foreign matter
vent is blocked. or replace by following
instructions in
Replacing a Ventilation
Vent Air
5 Alarms and Faults
6.3.7
Fan.
7.7
6.2.5
Filter.
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