16.troubleshooting

PROBLEM

POSSIBLE CAUSE

SOLUTION

The battery is connected

The charger is not in char-

Press START/STOP

and the charger is on, but is

ger mode.

button for the battery

not charging.

 

that is connected to

 

 

the charger.

The indicator lights are lit

A button may have been

Make sure nothing is

in an erratic manner, not

pressed when the charger

touching the control

explained in “Using Your

was plugged in.

panel, then unplug

Battery Charger” section.

 

the unit and plug it in

 

 

again.

“bAd bAt” in Display; CON-

The charger is in abort

See the “USING

NECTED LED lit.

mode. The battery may be

YOUR BATTERY

 

bad.

CHARGER” section.

See Aborted Charge in the

This will happen if the

Reset the charger by

“Operating Instructions”

battery did not reach full

unplugging it. Select

section.

charge within 24 hours.

the desired battery

 

May be due to a very large

type again, if neces-

 

battery or bank of batteries

sary.

 

requiring more power than

 

 

the charger can deliver in

 

 

24 hours. The charger is

 

 

in abort mode. The battery

 

 

may also be faulty.

 

 

 

 

The charger is making an

The charger has a relay that

No problem, this is a

audible clicking sound.

turns the current on and off

normal condition.

 

to the battery.

 

The measured current is

The charger reached the

No problem, this is a

much lower than what was

maximum voltage and is

normal condition.

selected.

reducing the current.

 

 

The charger detected an

Make sure the char-

 

over-temperature condition

ger does not have the

 

and has reduced the current

side ventilation holes

 

to allow the unit to cool.

blocked. Move the

 

 

charger out of the sun

 

 

and into the shade.

 

 

 

The charger was unplugged

The battery is supplying the

Disconnect the bat-

from the wall but the display

power to the display.

tery.

is still on.

 

 

While charging the battery,

The % display may not

DO NOT UNPLUG

the battery stays at a cer-

change at a steady rate.

OR CHANGE SET-

tain % (ex. <65%).

 

TING. Be patient and

 

 

let the charger finish.

 

 

This is normal.

When the charger is

The battery voltage is still

Wait for the voltage to

unplugged or the settings

high from a partial charge.

settle before resum-

are changed, the number

 

ing the charge. Try

increases or jumps to 100%.

 

to charge at a lower

 

 

charge rate. Turn on

 

 

the lights to remove

 

 

the surface charge.

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Schumacher 00-99-000886/1208, INC-812A, 94080037 operating instructions Troubleshooting, Problem Possible Cause Solution