Würth 0772 800 Operating Instructions

16
CRANKING VOLTS
××.×× V NORMAL
Cranking volts normal
Thesystemisshowinganormalresult.Press ENTER toperformthecharging
systemtest.
CRANKING VOLTS
××.×× V LOW
Cranking volts low
Thestartvoltageisbelowthenormalvalues.Lookforerrorsasrecommendedby
themanufacturer.
CRANKING VOLTS
NO DETECTED
Crancking volt no detected
Thecrankingvoltagehasnotbeendetected.
PRESS ENTER FOR
CHARGING TEST
Ifthecrankingvoltageisnormal,press Enter tobeginchargingsystemtest.
MAKE SURE ALL
LOADS ARE OFF
Ifyoupress Enter theadjacentscreenappears.
Pressthe
Enter keyandoneofthethreeresultswillbedisplayedalongwiththe
relevantreading.
ALT. IDLE VOLTS
××.××V LOW
Low charging volts when test at idle
Thealternatorisnotprovidingsucientcurrenttothebattery.
Checkthev-beltstoensurethealternatorisrotatingwithenginerunning.Ifthe
beltsareslippingorbroken,replacethebeltsandtestagain.Checkthecon-
nectionsfromthealternatortothebattery.Iftheconnectionislooseorheavily
corroded,cleanorreplacethecableandretest.Ifthebeltsandconnectionsare
ingoodworkingcondition,replacethealternator.
ALT. IDLE VOLTS
××.××V NORMAL
Charging system normal (test without loads)
Thesystemisshowingnormaloutputfromthealternator.Noproblemdetected.
ALT. IDLE VOLTS
××.××V HIGH
Charging voltage high (test without loads)
Thevoltageoutputfromthealternatortothebatteryexceedsthenormallimits
ofafunctioningregulator.Checktoensurethereisnolooseconnectionand
thegroundconnectioniscorrect.Iftherearenoconnectionissues,replacethe
regulatorofthealternator.Sincemostalternatorshavetheregulatorbuilt-in,this
willrequireyoutoreplacethealternator.Thenormalupperlimitofatypicalauto-
motiveregulatoris14.7volts+/-0.05.Checkmanufacturerspecicationsforthe
correctlimit,asitwillvarybyvehicletypeandmanufacturer.
TURN ON LOADS
AND PRESS ENTER
Followingthechargingsystematidle,press Enter forthechargingsystemwith
accessoryloads.Turnontheblowertohigh(heat),highbeamheadlights,and
reardefogger.Donotusecyclicalloadssuchasairconditioningorwindshield
wipers.

Würth 0772 800 Specifications

General

Brand	Würth
Model	0772 800
Category	Battery Charger
Language	English