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Schumacher 00-99-000742 - page 1
F ully A utom atic Micropr ocessor Co ntrolled Batter y C harger with Engi ne Star ter plus Batter y T ester and Alternator T ester CAUTION: Read all Safety Rules and Operating Instructions, and follow them with each use of this product. 00-99-000742/1 106 O WN ER ’S M AN UA L Schumacher Electric Corporation Professional Products Division Mount P ...
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Schumacher 00-99-000742 - page 2
1 PLEASE SA VE THIS OWNER’S MANUAL AND READ BEFORE EACH USE. Model PSC-12500A Microprocessor Controlled, Fully Automatic Operation Battery Charger with Engine Starter Plus Battery and Alternator T ester offers features to accom- modate the needs for home or light commercial use. This manual will explain how to use the battery charger safely and e ...
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Schumacher 00-99-000742 - page 3
2 IM PORT A NT SAFET Y INSTRUCTI ONS • W ARN IN G: Handl ing th e c ord o n this prod uct o r c ords asso ciate d wi th ac - ce sso rie s sol d wit h this p roduc t, m ay expose you to l ead, a che mic al kn own to the St ate of Cali forni a to c ause c ancer and bir t h d efect s or other repr oduc ti ve harm. Was h hand s af t e r hand li ng. ? ...
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Schumacher 00-99-000742 - page 4
3 Never touch the battery clamps together when the charger is on. Y ou could cause a spark. Never operate charger if it has received a hard blow , been dropped, or otherwise damaged . T ake it to a qualied professio nal for inspection and repair . Be sure to position the charger power cord to prevent it from being stepped on, tripped over , or d ...
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Schumacher 00-99-000742 - page 5
4 PREP ARING YOUR BA T TERY TO BE CHARGED It is important that you read and follow these guidelines while you are preparing to charge the battery . • Make sure that you have a 6 or 12 volt lead-acid battery . Determine voltage of bat ter y by re fer rin g t o v ehic le owner’s man ual or t he ba tte ry mar kin gs. C harg e bat ter y in iti all ...
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Schumacher 00-99-000742 - page 6
5 NEGA TIVE GR OUNDED SYS- 5. Conn ec t ing t o a n eg at ive - gr oun de d syste m: C onnec t t he r ed (P OSIT IV E) outpu t c lamp to the POS ITIV E post of the bat te r y . Rock and t w ist t he cl amp back and fo r t h to be sur e a solid elec tr i - ca l conne ct ion is made. The n conn ect the blac k (N EGA TIV E) out put cl amp to a heavy , ...
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Schumacher 00-99-000742 - page 7
6 the C HA RGI NG (yellow) LED shoul d light a nd t he c hargin g pr oc es s sho uld star t. 7 . T o di sc onnec t t he c harg er , unplug i ts power cord before at tempting to discon - nect the charger clamps. Then, standing away fr om the batter y , rem ove th e out- put clamp from the NEGA TI V E bat ter y post . Finally , remove the outpu t cla ...
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Schumacher 00-99-000742 - page 8
7 USING YOUR BA T TERY CHARGE R OVERVIEW Using thi s bat ter y ch arger i s ver y simpl e. First , c onnec t t he bat ter y and AC p ower f o l l o w i n g th e p r e c a u t i o n s li s t e d un d e r “OPE R A TING INST RUC TION S” . Then se- lec t the appropr iate BA T T ERY T Y PE and char ge rate for your bat ter y. The char ger will th en ...
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Schumacher 00-99-000742 - page 9
8 DIGIT AL DISPLA Y BUTT ON Use this button to set the function of the digital display to one of the following. • BA TTERY %: The digital display shows an estimate of the percent of charge of the battery connected to the charger battery clamps. • VO L T AGE: The digital display shows the voltage at the charger battery clamps in DC volts. • AL ...
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Schumacher 00-99-000742 - page 10
9 CONTROL P ANEL GUI DE PSC-12500A CONTROL PANEL GUIDE MODE OF OPERATION C h a r g e d C h a r g i n g C o n n e c t e d B a t t e r y % V o l t a g e A l t e r n a t o r % 1 2 V R e g u l a r 1 2 V D e e p - C y c l e 1 2 V A G M , G e l 6 V R e g u l a r S m a l l B a t t e r y R e g u l a r B a t t e r y E n g i n e S t a r t Digital Display Ini ...
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Schumacher 00-99-000742 - page 11
10 USING T HE BUI L T - I N BA T TE RY TESTER OVERVIEW This battery charger has a built-in battery tester that displays either an accurate bat- tery voltage or an estimate of the battery’s relative charge based on the battery volt- age and the Battery Council International scale. TESTING SEQUENCE There are four basic steps required to use the PSC ...
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Schumacher 00-99-000742 - page 12
1 1 This battery charger has a built-in alterna- tor tester that displays either an accurate alternator voltage or an estimate of the alternator ’s relative output compared to normal alternators. The Alternator % values displayed should be taken as general reference, not precise diagnosis. The alternator tester functions the same as the battery t ...
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Schumacher 00-99-000742 - page 13
1 2 BA T TERY PERCENT AND CHA RGE TI ME This charger adjusts the charging time in order to charge the battery completely , ef cie ntl y and s afe ly . The micro pro ces - sor automatically makes the necessary decisions. However , this section includes guidelines that can be used to estimate charging times. T h e d u r a t i o n o f th e ch a r g ...
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Schumacher 00-99-000742 - page 14
1 3 CHARG ING TI PS Read this entire manual before using your charger . The tips below serve only as a guide for specic situations. If your vehicle won’t start : Y ou don’t need to fully charge a battery to start your vehicle. If the charger won’t start your vehicle using the ENGINE ST ART rate, try charging the battery using the REGULAR B ...
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Schumacher 00-99-000742 - page 15
14 TROUBLESHO OTING Performance problems often can be corrected by the user . Please read through this chart for a possible solution to common problems. PROBLE M POS SI BLE CAUSE SOLUTI O N The bat ter y is c onnec ted and the c harg er is on, but isn' t cha rging. The ch arger i s in tester mode, not c harg er mo de. Pres s the CH A RGE ST A ...
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Schumacher 00-99-000742 - page 16
15 WARR A NT Y SCHUMACHER ELECTRIC CORPORA TION, 801 BUSINESS CENTER DRIVE, MOUNT PROSPECT , ILLINOIS 60056-2179 MAKES THIS LIMITED W ARRANTY T O THE ORIGINAL PURCHASER A T RET AIL OF THIS PRODUCT . THIS LIMITED W ARRANTY IS NOT TRANSFERABLE. Schumacher Electric Corporation warrants this battery charger for ve years from date of purchase at reta ...
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