ep EPT20-ET2 - Service

REV. 09/2022
F10
REV. 09/2022
F11
Daily Maintenance
14.Service
No. Maintenance content Method of operation Note Frequency
1 Check if battery
capacity is too low
Check instrumentation
SOC display
Make sure the battery is
not stored without charge
for a long time. If the
battery system needs to
be put on hold for a long
time, it is best to keep the
battery in half power state
and charge the battery
every 3 months to ensure
that the battery system is
in half power state.
Everyday
2 The battery
packcharge and
discharge current
Check instrumentation
display
make sure battery pack
charge and discharge
current meet with
operation manual
Everyday
3 Connector pins at
the bottom of the
battery(if necessary)
Perform a visual
inspection
If any ablation or
deformation occurs in
daily inspection, the
battery connector pins
should be replaced in
time.
Everyday
4 Check whether
the appearance is
deformed, whether
the surface is
oxidized, paint
removing, the
mounting position
is o󰀨set, and the
cabinet is damaged;
Perform a visual
inspection
check the reason for
analysis and give it a x
Everyday
5 Check the entire
battery as well as
the surface beneath
it for signs of uid
leakage.
Perform a visual
inspection
check the reason for
analysis and give it a x
Everyday
No. Maintenance content Method of operation Note Frequency
6 Clean the lithium battery
and charger with a dry
cloth or compressed air.
Perform a visual
inspection, Wear
insulated gloves and
shake it gently
Make sure it tight weekly
7 Whether the external
wiring harness has worn,
imprint, creases and
exposed line core
Perform a visual
inspection
Make the wiring harness
xed well
weekly
8 Check that the surface of
lithium-ion battery looks
clean
No dust, no water, no
corrosion, oxidation,
rust, etc.
Clean surface if you found
dust, corrosion, oxidation,
rust by using dustless
cloth or air compressor
,water battery is strictly
prohibited to use
weekly
9 Check that the outside
screws of the battery are
fastened
Torque wrench
correction requires no
loosening
Reinforce screws weekly
10 Check for water or foreign
matter in the plug and
socket and check for rust
or charring(if necessary)
Perform a visual
inspection
check the reason for
analysis and give it a x
Monthly
11 Check the cable for
damage and loose joints(if
necessary)
Perform a visual
inspection
check the reason for
analysis and give it a x
Monthly
12 Check the battery case
for abnormalities such as
cracks, deformation, and
bulging.
Perform a visual
inspection
check the reason for
analysis and give it a x
Monthly