FusionModule1000A20 CT Solution
Maintenance Guide
3 Routine Maintenance
Issue 01 (2019-02-25)
Copyright © Huawei Technologies Co., Ltd.
19
Maintena
nce Item
Operation
Check
Standard
Troubleshooting
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 correctly
connected, replace the PD510 by
following instructions in 5.1.2.3
Replacing the PD510 Electricity
Meter.
TP48400B
Check whether the
door lock is
damaged.
The door lock
functions
properly.
Replace the door lock.
Check whether the
output voltage is
normal using a
multimeter.
The battery
low voltage
disconnection
(BLVD) or
load low
voltage
disconnection
(LLVD)
voltage is
inside the rated
range.
Rectify the fault by referring to
TP48200B-N20B2 &
TP48200B-N20B3 &
TP48200B-L20B2 &
TP48400B-N20B3 &
TP48400B-L20B1 V500R002 User
Manual
.
Check whether the
indicators are in
normal status.
The indicators
are normal.
Check whether the
coating of the
power system
flakes off or has
scratches.
The power
system is not
damaged or
deformed.
Repaint and repair the exterior.
Check whether the
ground points
properly connect to
the equipment
room ground bar.
Ground points
are reliably
connected.
Secure the ground point or replace
the ground cable.
3.4.2 Cooling System
Table 3-4
Monthly maintenance checklist for the cooling system
Maintenance Item Operation
Check Standard
Troubleshooting
12.5 kW fresh air
integrated unit
Air filter
The filters are
blocked.
Clean the air filters.