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6. Maintenance
6.1 Trouble Shooting
Danger: The Force-H3 is a high voltage DC system, operated by qualified and
authorized personnel only.
Danger: Before checking the failure, be sure to check all the cables connection and
check if the BESS can be turned on normally.
Check the environment first
1
No power
output, no LED
on.
Too short time for pressing Start
button.
Press and hold at least
to turn on.
Press and hold at least 10s for black
start.
The button battery in controller is
missing or has failure.
The power supply in control module
(BMS) has failure.
Change the control module.
The battery voltage is too low.
Make sure there are at least 2 battery
modules.
The connector of base has failure or
the base is not connected.
Make sure the base in connected
properly and change base if
necessary.
2
After turning
on, Status LED
slow flashing
orange. Others
off.
Self-checking failure.
DC side has a voltage, but voltage
difference with the battery system is
higher than 20V.
Make sure no DC voltage or set
correct DC voltage before pressing
Start button.
Follow power on process to turn on.
BMS internal failure.
Use debug tool/Wi-Fi monitoring to
further analysis or change the control
module.
3
Status LED fast
flashing
orange, others
off.
The time interval after latest black start
is too short.
Wait more than 5 minutes and try
black start again.
The battery system under error
condition such as: temperature or
current protection or other errors, thus
no response to black start.
Make sure no other protection
factors. Or use debug tool for further
analysis.
4
Buzzer ring
continues
Relay adhesion or failure.
Completely disconnect battery
system with any DC source then
make a restart. If problem still exists,
then replace the controller.
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