Schumacher SF-51A-PE owner manual Troubleshooting, Problem Possible Solution

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TROUBLESHOOTING

The battery charger is designed to work automatically. However, If a problem does occur, check the following:

PROBLEM

POSSIBLE

SOLUTION

 

 

 

No meter reading.

Charger is not plugged in

Plug in

 

Connections are reversed.

With charger unplugged, reverse clips and

 

 

reconnect (rock back and forth to bite in).

 

Poor electrical connection.

Clean clamps and battery poles and reconnect

 

 

(roll back and forth to bite in).

 

AC outlet is dead.

Plug in a lamp or other appliance to check for

 

 

voltage.

 

Battery is defective (will not accept

Have battery checked.

 

charge).

 

 

 

 

Charger will not turn on when

Battery recently used in vehicle and is

Battery does not need changing.

properly connected to power.

fully charged.

 

 

 

(If battery is in vehicle turning on headlights

 

 

will lower battery voltage in a few seconds and

 

 

charger should then turn on.)

 

 

Battery has less than .7 volts set to manual and

 

 

retry.

 

 

 

Charger will not turn OFF.

Battery has problem and will not take

Have battery checked.

 

full charge.

(If in MANUAL, switch to AUTOMATIC).

 

 

 

Meter needle pulses (fluctuates)

Two or more batteries connected in

Requires more time to charge: continue

every few seconds AFTER THREE

parallel.

charging.

HOURS without slowing down.

 

 

 

Battery of 200 ampere hours or larger.

Requires more time to charge: continue

 

 

charging.

 

Battery is connected to application that

 

 

draws a small current (such as an auto

 

 

dome light).

 

 

 

 

Charging current is less than full

Battery is partially charged.

Continue charging.

output rating of charger.

 

 

 

Battery is defective (battery plates are

Have checked and replace battery.

 

crusted) and will not accept a full

 

 

charge.

 

 

AC power supply is low.

Plug charger into another grounded AC outlet.

 

 

 

Meter needle moves to extreme

Severely discharged battery (but

Allow charging to continue until battery has

right, remains a short time, then

otherwise good battery).

recovered sufficiently to take a charge (Circuit

returns to zero, accompanied by a

 

breaker will continue to cycle and needle will

clicking sound.

 

swing side to side until battery has recovered).

 

In MANUAL with battery connections

Unplug charger and change to correct

 

reversed.

connections.

 

Battery is defective (will not accept

Have battery checked.

 

charge)

 

 

Charger is cycling after circuit breaking

Wait until charger automatically resets itself

 

overload.

(DO NOT RETURN FOR SERVICE).

 

 

 

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Contents General Battery Safety Schumacher Electric CorporationBusiness Center Drive Mount PROSPECT, Illinois CAR / Light CCA RES Recharge Trucks CAP TIME-HOURS Personal Precautions and SafetyPreparing to Charge Marine / or MCA AMP HR Deep CycleManual Battery Charger ControlsMETER/LED Indicator Automatic ChargingReading Meter Battery TypesOperating Instructions Charging Battery OUT of the Vehicle Circuit BreakerPositive Grounded Post Operating Instructions Charging Battery in VehicleNegative Grounded Post Ground NEGTroubleshooting Problem Possible SolutionMAINTENANCE/CLEANING Instructions Limited WarrantyElectric Corporation Guide DUtilisation Consignes DE Sécurité Générales SUR LES ChargeursConsignes DE Sécurité À L’INTENTION DE L’USAGER Préparatifs DE ChargeCAPACITÉ/INTENSITÉ DE LA Batterie Charge Manuelle VS Automatique Commandes DU Chargeur DE BatterieCharge Automatique AMPÈREMÈTRE/VOYANTLecture DE L’AMPÈREMÈTRE DisjoncteurTypes DE Batterie Borne Négative Mise À LA Masse Borne Positive Mise À LA MasseMise À LA Masse NÉG Problème Cause Probable Solution DépannageInstructions DE NETTOYAGE/ D’ENTRETIEN Garantie LimitéeConsignes DE Sécurité Importantes Conservez CE Guide