FusionModule1000A20 Prefabricated All-in-One Data
Center
Maintenance Guide
3 Routine Maintenance
Issue 01 (2019-07-15)
Copyright © Huawei Technologies Co., Ltd.
18
Maintenance
Item
Instructions
Criteria
Troubleshooting
the indicators.
power indicators
are bright.
dim light.
Check the SPD
indicator and SPD
circuit breaker status.
The SPD indicator
is green.
If the SPD indicator is red, replace the SPD.
The SPD circuit
breaker is switched
to ON.
Switch on the circuit breaker.
(Optional) Push any
button on the PD510
electricity meter LCD.
The PD510
electricity meter
LCD lights up and
displays
information
properly.
1.
If the LCD does not display information
properly (no display or fuzzy), check
whether the power cable is properly
connected.
2.
If the power cable is properly connected,
replace the PD510.
3.4.2 Surveillance system
Table 3-8
Quarterly maintenance checklist for the monitoring system
Check Item
Description
Criteria
Troubleshooting
Temperature
and humidity
(T/H) sensor
Use a hand-held
thermohygrograp
h to measure
both the humidity
and temperature
in an aisle.
Compare the
measured values
with the values
displayed on the
ECC800.
The values measured are
consistent with the those
displayed on the
ECC800. The
temperature difference is
within ±2°C, and the
humidity difference
within ±5% RH.
If the differences exceed the allowed range,
replace the T/H sensor.
Access
actuator
Power input
Input voltage: 36–60 V
DC
Check the input power cables if the input
voltage is abnormal.
PWR indicator
Steady on: The power
supply is normal.
Off: No power supply is
available.
Check the input power cables.
ALM indicator
Steady on: A fault alarm
is raised.
Off: No fault alarm is
raised.
Clear the alarm by referring to the ECC800
documents.
RUN indicator
Off: The power supply is
abnormal.
Blinking slowly: The
Check the power supply.
Check the power supply. If the RUN
indicator blinks fast, check whether the