Monitoring System - Huawei FusionModule 1000A40 Maintenance Manual

FusionModule1000A40 IT Solution
Maintenance Guide (2016.05, AI Version)
Item
Transforme
r output
voltage
inside the
electric
control box
Cables
T/H sensors

3.4.3 Monitoring System

Table 3-18 Semi-annual maintenance checklist for the monitoring system
Item
LAN switch
power
indicator
(PWR).
Issue 04 (2018-01-05)
Method
Measure the output
voltage of the
internal
transformer.
Check cables.
Check the T/H
sensors.
Remove the electric control box before maintaining components inside it.
Method
Check the
indicator.
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Expected Result Troubleshooting
The output If the output voltage is abnormal,
voltage is normal replace the transformer.
(AC 24 V± 10%)
No cable has
Replace aged cables.
aged.
The T/H sensor If the reading of a T/H sensor is
reading is normal inaccurate, check and calibrate
and precise. the T/H sensor using a
temperature and humidity
measuring instrument with
higher precision.
Expected Troubleshooting
Result
The PWR  If the indicator is off, check the
indicator is power supply. Replace the LAN
steady green. Switch if the power supply is
normal.

If the red indicator is steady on:
1. Check whether two PSUs are
2. Check that the power supply
3. Replace the LAN Switch if
 Replace the LAN Switch if the
orange indicator is steady on.
3 Maintenance
configured, and switch on the
power supply.
is switched on.
the power supply to the board
and the PoE power supply are
faulty.
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