DISCOVER 14-24-3000 Operating Manual - Page 11

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• All battery cables and their connections should be tight, intact, and NOT broken or frayed

• Replace any damaged batteries

• Replace any damaged cables

• Ensure correct torque is used for the terminal bolts

8.3 Battery Firmware

Consult the Discoverbattery.com website for the latest battery firmware versions. If a battery firmware update is require, ensure

this is done by a qualified and authorized person using the AES Dashboard software tool.

If you have not already, read the manual. Most troubleshooting needs arise from misuse, or a failure to understand

installation and operating instructions.

As soon as possible, record the condition of the system at the time the problem occurred so you can provide details to help

aid in troubleshooting.

Download the separate data log from each battery using the AES Dashboard software tool and have the file(s) ready to

share with technical support.

9.1 Check the Fuse

Check the fuse. If the fuse is blown (open) it requires replacement.

9.2 Review Voltage

Was the battery stored or left for a long period of time at low voltage? The battery may be self discharged and damaged

beyond repair.

Was the battery charged above BMS protection voltage? The BMS will have likely disconnected the battery. The battery

needs to be left to rest until the high voltage has dissipated. The battery will operate again when the BMS detects that

voltage is within safe operating parameters for at least 120s. Note that the charging device's voltage needs to be reduced in

order not to repeat this fault.

Was the battery discharged below low voltage cut-Off? The BMS has likely disconnected battery. The BMS will not

reconnect the battery after a low voltage disconnection. Disconnect all loads, set the battery to ON and then charge the

battery.

9.3 Review Temperature

Was the battery operated above BMS protection temperature? The BMS will have likely disconnected the battery. The

battery needs to be moved to a cooler environment and left to rest until the high internal temperature has dissipated. The

battery will operate again when the BMS detects that internal temperature is within safe operating parameters for at least

120s.

Was the battery operated at high current in a moderate to high temperature? The BMS will have likely disconnected the

battery. High current operation can increase the internal battery temperature above ambient temperature.

Was the battery operated below BMS protection temperature? The battery needs to be moved to a warmer environment

and left to rest until the low internal temperature increases. The battery will operate again when the BMS detects that

internal temperature is within safe operating parameters for at least 120s.

9.4 Review Current

Did the BMS protect against over current when an inverter was turned ON? A large capacitor bank in the inverter likely

tried to draw amps in excess of the battery's peak power rating and the BMS has disconnected the battery. Increasing the

number of batteries in the battery bank will help support a high peak amp draw, or surge current.

Did the BMS protect against over current when a motor was turned ON? The initial surge current required to start the motor

is likely in excess of the battery's peak power rating and the BMS has disconnected the battery. Increasing the number of

batteries in the battery bank will help support a high peak amp draw, or surge curreect level.

Is the battery bank undersized as compared to the peak surge requirements of the system? Increasing the number of

batteries in the battery bank will help support a high peak amp draw, or surge current.

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