VPS-DOS-TR-06-E / Rev 01
3-May-2022
Volta Power Systems
Page 39 of 41
TROUBLESHOOTING AND FAQS
How long will my Volta System run?
Runtime is directly related to how much power you are using and how
much energy your system can store. On the Volta touchscreen, you can
monitor the Time Remaining indicator. This displays the approximate
charge time remaining in the pack.
You can also calculate an approximate runtime. For example, if you have a
12 kWh Energy Storage Pack, and your Power Flow indicator on the touch-
screen is reading -1,000 W, then you can estimate that you have approxi-
mately 12 hours of runtime remaining.
Overall, the more appliances, devices, and electrical systems you use, the
quicker your State of Charge will deplete. On lighter loads, it’s possible for
the system to last for several days. Refer to System Runtime on page 16
for more information.
Why is there a system delay after I press the On/Off push-
button?
When the On/Off pushbutton is pressed to turn on the Volta System, a
system check occurs. After all system checks are successful, the Energy
Storage Pack supplies power to all the Volta System components, turning
the system on.
Why won’t my Volta System charge?
There may be several reasons why the Volta System isn’t charging, even
while connected to shore power:
• The State-of-Charge is too high. If you are attempting to charge the SOC
to 100% from a SOC greater than approximately 90-95%, the system
will need to deplete to below approximately 90-95% before the system
begins to charge again.
• The Energy Storage Pack is too cold or too hot to charge. Refer to Using
the Volta System in Hot and Cold Temperatures on page 31.
• The shore power connection does not meet the charging requirements
controlled by the BMS. Refer to Charging via Shore Power on page
16.
• The selected charge rate is not appropriate for the shore power con-
nection. You may need to raise or lower the Charge Rate Selection on
the touchscreen or the Max Branch Amps in the Inverter Control Panel.
Refer to Inverter Screen on page 28 or Max Branch Amps (Charger
Current Limit) Setting on page 22.
• If you’re using a plug-in surge protector, but you’re experiencing
problems with your Volta System not connecting to the attached shore
power, attempt the following test: Remove the surge protector and plug
the shore cord directly into your vehicle. If your system is now able to
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