5
5. TROUBLESHOOTING
Problem
Cause
Solution
1.
Charger does not seem to
be charging.
(Verify that the charger is
working: Disconnect the
charger’s DC output cables
going to the batteries. Reapply
AC power and the green LED
should now light. If it does, the
charger is OK and proceed to
troubleshoot. If it does not
light, contact the Guest Co.
1.
One or more defective
or damaged cells.
2.
Charger has reduced
its output voltage
below the normal level
due to a DC overload
or a DC short.
3.
On-board DC systems
are drawing more
current than the
charger can replace.
4.
No AC power available
at the charger.
1.
Load test the battery and replace
if necessary.
2.
Remove the source of the
overload or short. Turn off all DC
equipment while charging.
3.
Turn off all DC equipment while
charging.
4.
Connect AC power or reset the
AC breaker on the main panel
2.
The green LED does not
stay lit after 24 Hrs of
charging.
1.
On-board DC systems
are drawing between 1
to 2A.
2.
One or more defective
or damaged cells.
3.
Extremely low AC
voltage at the battery
charger
1.
Turn off all DC equipment while
charging.
2.
Load test the battery and replace
if necessary.
3.
Apply a higher AC voltage source
or reduce the length of the
extension cord.
4.
Check battery manufacturer’s
specifications for battery
charging.
3.
Green LED stays on when
the battery is known to be
low.
1.
Faulty or contaminated
terminal connections.
2.
One or more defective
or damaged cells.
1.
Clean and tighten or repair all
terminal connections.
2.
Load test the battery and replace
if necessary.
6. MAINTAINING THE CHARGER
Periodically clean both battery terminals with baking soda and tighten all connections. No other
maintenance on the charger is required.
