Troubleshooting

Performance problems often can be corrected by the user. Please read through this chart for a possible solution to common problems.

PROBLEM

POSSIBLE CAUSE

SOLUTION

The battery is connected

The charger is in tester

Press the CHARGE

and the charger is on,

mode, not charger mode.

START button to activate

but isn't charging.

 

charging and select a

 

 

charge rate.

Indicator lights are lit in

You might have acciden-

Make sure nothing is

an erratic manner not

tally activated a special

touching the control

explained in the “Using

diagnostic mode.

panel, then unplug the

Your Battery Charger”

 

charger and plug it in

section.

 

again.

 

The charger may be

Return to place of pur-

 

defective.

chase for replacement.

DIGITAL DISPLAY

The incorrect battery

Reset the charger by

always flashes before

type may have been

unplugging it briefly or

the battery is completely

selected.

briefly disconnecting the

charged.

 

negative battery clip.

 

This will happen if the

Select the desired rate

 

battery did not reach full

(SMALL or REGULAR

 

charge within 24 hours.

BATTERY) and bat-

 

May be due to a very

tery type again, if

 

large battery or a bank of

necessary.

 

batteries requiring more

 

 

power than a 10A20A

 

 

amp charger can deliver

 

 

within 24 hours. The bat-

 

 

tery may also be faulty.

 

Engine crank time is less

Starter motor may be

Charge the battery at the

than specified.

drawing more than 65

regular battery setting

 

amps.

for 10 to 15 minutes then

 

 

crank the engine.

The green Charged

The battery may be

If the battery is in a ve-

LED lights a few minutes

fully charged or recently

hicle, turn the headlights

after connecting to the

charged, leaving the bat-

on for a few minutes

battery.

tery voltage high enough

to reduce the battery

 

to appear to be fully

voltage and try charging

 

charged.

again.

 

The incorrect battery

Turn off the charger

 

type may have been

by using the CHARGE

 

selected.

START button. Select the

 

 

desired rate (SMALL or

 

 

REGULAR BATTERY)

 

 

and battery type

 

 

again, if necessary.

 

 

 

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Schumacher SC-6500A owner manual Troubleshooting, Problem Possible Cause Solution, Digital Display, Regular Battery