Customer Care
12833 DC Bus Low – Software Detected
Caused by: Controller DC Bus voltage has dropped below 18 volts.
1.
Verify proper open circuit battery
voltage. Should be 48V or higher at the
time of testing. Verify loaded voltage by
performing a discharge test. Check for
12V accessory taps and verify accessory
usage.
2.
Check all battery terminal
connections. Torque to 95 – 105 in-
lbs.
3.
Check for less than 0.1 ohms
resistance on each battery wire.
4.
Place pos. meter probe A on top
solenoid post. Place neg. meter probe
B on -48V battery terminal. Voltage
should be the same as the battery set.
If not, replace battery to solenoid wire.
A
A
B
B
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