FusionModule1000A20 CT Solution
Maintenance Guide
3 Routine Maintenance
Issue 01 (2019-02-25)
Copyright © Huawei Technologies Co., Ltd.
29
3.5 Quarterly Maintenance
3.5.1 Power Supply and Distribution System
Table 3-9
Monthly maintenance checklist for the power supply and distribution system
Maintena
nce Item
Operation
Check
Standard
Troubleshooting
PDC
Check the
luminance of the
indicators.
The
three-phase
power
indicators are
steady on.
If the indicator is off or dim, replace
it by following instructions in
5.1.2.5 Replacing an Indicator.
Check the SPD
indicator and SPD
circuit breaker
status.
The SPD
indicator is
green.
If the SPD indicator is red, replace
the SPD. For details, refer to 5.1.2.4
Replacing an SPD.
The SPD
circuit breaker
is switched to
ON.
Switch on the circuit breaker.
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.