BATTERY TROUBLESHOOTING
Condition of Battery Cause Countermeasures Cause
1. Starter does not function
Key is not "ON"
Battery is over-used until
light becomes dim.
Charging of battery neglected
defective alternator rectier.
Dirty or corroded terminal
contacts.
Bad brushes, armature or eld.
Life of battery expired.
Turn key "ON"
Charge for long period by
ordinary charging method
until specic gravity of 1.26
is reached.
Repair alternator and replace
defective rectier.
Charge battery well.
Wash t er mi n al w it h ho t
water and tighten well.
Replace.
Replace battery.
Do not overuse the battery
and c h arge b e fore f u lly
discharged. (Refrain from
over discharging)
Check alternator rectier.
Keep terminals clean, tighten
well and grease to prevent
corrosion.
2. From beginning, starter
does not function, and
lights become dim quickly
Battery is not charged well.
Charge battery for a long
period by ordinary charging
method.
Battery must be serviced
properly before initial use.
3. Low electrolyte level
Battery used with shortage
of electrolyte.
Battery over-used. Moreover,
charging was neglected.
(
Refrain from over-discharging
)
Defective alternator rectifier,
defective terminal contacts
causing sulphation of electrodes.
Add distilled water and
charge
battery.
Charge for a long period.
Check alternator and rectier
and charge for a long period
by ordinary charging method.
Ma k e routi n e checks of
electrolyte.
Do not overuse the battery
and fully discharge.
Ma k e routi n e checks of
terminals, to make sure
they are clean and tight.
4. Battery cannot be charged
The current of the alternator
during operation is too high
causing plates to drop, warp
or short circuit.
Life of battery expired.
Decrease the charging
current
of alternator.
Exchange defective battery.
Exchange battery.
Check charging current of
alternator.