Schumacher SC-7500A operating instructions Troubleshooting, Problem Possible Cause Solution

Page 15

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.

RATE 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.

The Check (red) LED

The incorrect battery

Reset the charger by

always flashes before

type may have been

unplugging it or briefly

the battery is completely

selected.

disconnecting it or briefly

charged.

 

disconnecting the nega-

 

This will happen if the

tive battery clip. Select

 

battery did not reach full

the desired charge

 

charge within 24 hours.

rate and battery

 

May be due to a very

type again, if neces-

 

large battery or a bank

sary.

 

of batteries requiring

 

 

more power than a 30/12

 

 

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 80

12A   30A rate for 10

 

Amps.

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

Reset the charger by un-

 

type may have been

plugging it or briefly dis-

 

selected.

connecting the negative

 

 

battery clip. Select the

 

 

desired charge rate

 

 

and battery type

 

 

again, if necessary.

 

 

 

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Contents SpeedCharge Send Warranty Product Repairs toTable of Contents Help us help you Important Safety InstructionsPersonal Safety Precautions Plugging IT Before Using Your Battery ChargerPreparing your battery to be charged Using an extension cordCharging Battery In The Vehicle Operating instructionsNegative Grounded System Using Engine Start Charging Battery Removed From The VehicleGeneral Charging Notes Using your battery chargerEngine Starting Notes OverviewChargeR CONTROLs Display Mode SwitchBattery Type Switch Charge Rate SwitchMode of Operation Control panel guideDigital Display Using the built-in Battery tester Alternator Testing Notes Using the built-in alternator testerLower the rating the quicker the battery will be charged Battery percent and charge timeCharging tips Maintenance and CareProblem Possible Cause Solution TroubleshootingWarranty