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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
No
Problem
No power
1
output, no LED
on.
After turning
on, Status LED
slow flashing
2
orange. Others
off.
Status LED fast
flashing
3
orange, others
off.
Buzzer ring
4
continues
Possible Reason
Too short time for pressing Start
button.
The button battery in controller is
missing or has failure.
The power supply in control module
(BMS) has failure.
The battery voltage is too low.
The connector of base has failure or
the base is not connected.
Self-checking failure.
DC side has a voltage, but voltage
difference with the battery system is
higher than 20V.
BMS internal failure.
The time interval after latest black start
is too short.
The battery system under error
condition such as: temperature or
current protection or other errors, thus
no response to black start.
Relay adhesion or failure.
Press and hold at least 5s to turn on.
Press and hold at least 10s for black
start.
Change the control module.
Make sure there are at least 2 battery
modules.
Make sure the base in connected
properly and change base if
necessary.
Make sure no DC voltage or set
correct DC voltage before pressing
Start button.
Follow power on process to turn on.
Use debug tool/Wi-Fi monitoring to
further analysis or change the control
module.
Wait more than 5 minutes and try
black start again.
Make sure no other protection
factors. Or use debug tool for further
analysis.
Completely disconnect battery
system with any DC source then
make a restart. If problem still exists,
then replace the controller.
48
Solution
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