Tower ESS Unit User Manual
23
●
Connect the EXT-CAN communication cable to the inverter RJ45 CAN
port
.
Warning:
Double check all the power cables and communication cable. Make sure the voltage of the
Inverter is in the same level with the battery system.
●
Switch on the inverter, to make sure all the power equipments can work normally.
●
Start the battery system. Referring to the section
“
3.5.4
”
4 Maintenance
4.1 Trouble Shooting:
Danger:
The Tower battery system is a high voltage DC system, operated by professional and
authorized person only.
Danger:
Before check the failure, must check all the cables connection. Switches are right or not
(refer to section 3.5.4), and if the battery system can be woken up normally .
No
Problem
Possible Reason
Solution
1
The battery has no
voltage output, and
“POWER ON”/ “POWER
WAKE” Light is off.
The DC breaker of the BDU
didn’t be turned on
Turn on the DC breaker of
BDU
2
The "POWER ON" switch of
the BDU box was not
switched on
Switch on the "POWER ON"
button
3
Battery is in sleep state.
Long press the "POWER
WAKE" button for anout 3S
4
The fuse in the BDU box is
faulty
Replace fuse
5
Battery gets into
over-discharged protection
Charge the battery to
relieve the protection state
Connect to inverter DC+ terminal
Connect to inverter DC- terminal
Connect to inverter RJ45 CAN communication port
