TROUBLESHOOTING

Performance problems often can be corrected by the user. Please completely read this chart for possible solutions to common problems.

PROBLEM

POSSIBLE CAUSE

SOLUTION

 

 

 

The battery is connected and

The charger is in tester

Press the CHARGE RATE

the charger is on, but it isn't

mode, not charger mode.

button to select a charge rate

charging.

 

and activate charging.

 

 

 

Indicator lights are lit in an

The charger may be

Return to place of purchase

erratic manner not explained

defective.

for replacement.

in the “Using Your Battery

 

 

Charger” section.

A button may have been

Make sure nothing is

 

pressed when the charger

touching the control panel,

 

was plugged in.

then unplug the unit and

 

 

plug it in again.

 

 

 

All the lights are flashing.

Charger in abort mode.

See “USING YOUR BATTERY

 

Battery may be bad.

CHARGER.”

 

 

 

The CHECK (red) light

This will happen if the

Reset the charger by un-

always flashes before the

battery did not reach full

plugging it or briefly discon-

battery is completely

charge within 24 hours. May

necting the negative battery

charged.

be due to a very large

clip. Select the desired

 

battery or a bank of batteries

charge rate and battery type

 

requiring more power than

again, if necessary.

 

the charger can deliver in

 

 

24 hours. Battery may also

 

 

be faulty.

 

 

 

 

The green CHARGED light

The battery may be fully

If the battery is in a vehicle,

turns on a few minutes after

charged or recently charged,

turn the headlights on for a

connecting to the battery.

leaving the battery voltage

few minutes to reduce the

 

high enough to appear to be

battery voltage and try

 

fully charged.

charging again. Also try a

 

 

lower CHARGE RATE

 

 

selection.

 

 

 

The fan turns on and off

The fan is turned on and

No problem, this is a normal

unexpectedly.

off as determined by the

condition.

 

software and temperature.

 

 

 

 

The measured current is

The charger reached the

No problem, this is a normal

much lower than what

maximum voltage and is

condition.

was selected.

reducing the current.

 

 

The charger detected an

Make sure the charger does

 

over-temperature condition

not have the side ventilation

 

and has reduced the current

holes blocked. Move charger

 

to allow the unit to cool.

out of the sun and into the

 

 

shade.

 

 

 

The charger was unplugged

The battery is supplying the

Disconnect the battery or

from the wall but the display

power to the display.

press CHARGE RATE or

is still on.

 

BATTERY TYPE switch.

 

 

 

14

Page 14
Image 14
Schumacher SCF-2500A owner manual Troubleshooting, Problem Possible Cause Solution