6
DIAGNOSTICS
If there is excessive voltage drop between the source battery
and the Direct Controller, both Source and Lift Battery LEDs will
briefly turn green, indicating that the Direct is trying to charge the
batteries. Then both LEDs will toggle orange for a few seconds.
This cycle then repeats (see Figure 1 for examples showing this
issue).
EXCESSIVE VOLTAGE DROP DIAGNOSTICS
Figure 1: LEDs briefly turn green, toggle orange, then repeat
SERVICE TIP - Purkeys offers the Liftgate Double Check
tool, which can simplify the diagnosis of liftgate charging
system problems caused by excessive voltage drop. For
more information on the tool, please call 1-800-219-1269 or
visit our website at www.purkeys.net.
The circuit needs to be tested while under load to determine
what is causing the excessive voltage drop. See the Stinger/Aux
Diagnostics section for details on diagnosing excessive voltage
drop issues.
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