12
3 TROUBLESHOOTING
Are all
battery negative wires,
solar negative wire and BLACK
BCDC wire connected to a
common ground point?
(chassis)
Is the input
voltage above 13.2V
for a 12V system, 26.4V for a
24V system or 17.5V for a
solar setup?
Is the auxiliary
battery voltage
above 4v?
Check the connection
to the BCDC, and the
orientation of the LED as per
the install diagrams. If the problem
is still evident contact a qualified
Auto Electrician, or Redarc
Electronics.
The BCDC is operating correctly. If a low
auxiliary battery voltage occurs - check
BROWN wire is making a good
connection to the auxiliary battery. If the
problem is still evident, get a qualified
Auto Electrician to inspect the system.
The BCDC is not operating
correctly. Have a qualified
Auto Electrician check the wiring,
fuses, batteries and charging
system or contact Redarc
Electronics for more information.
Check that the alternator
is charging properly. If
the problem is still evident
contact a qualified Auto
Electrician or Redarc
Electronics.
Remove all loads from the
auxiliary battery and charge it
overnight, using a multi-stage charger
and then recheck the battery.
If the battery voltage is
still low, replace battery.
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No No
No
No
No
No
No
No
Start and run engine
for 30 seconds - leave
engine running whilst
troubleshooting.
Shutdown the
vehicle and rectify
the problem.
Is the
correct ‘Battery Type’
LED on solid or
flashing?
Is the
‘Charge Status’ light
flashing in one of the
three stages?
If an External LED
is fitted, is it working as
described on page 5
of this manual?
Check
the BLUE wire.
BATTERY - BLUE to POSITIVE
SOLAR - BLUE to GROUND or
NO CONNECT is the BLUE
wire setup like
this?
Check the RED
wire. Is it installed with
appropriate gauge wire and
connected to the source
you require?
Check the ORANGE
wire. Is it installed as per
the instructions and correct
for your battery type?
Figure 3.1 - Standard BCDC1225 Troubleshooting Guide
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