Trouble-shooting table for electrical system
4
L / M . . / 07.96
Trouble-shooting at the battery
Malfunction
Battery fails pre-
maturely.
Too little power
from battery.
Indication
Voltage drops
severely when
load is applied.
Cause
Battery was discharged too
often and too serverely.
Battery becomes too warm.
Excessive vibration.
Battery is discharging sulpha-
tes.
Battery acid is contaminated.
Run the battery down.
Voltage regulator is defective,
so that charging voltage is
too low.
Connecting terminals loose or
oxidised.
Battery capacity is too small
(too many consumers).
Battery is going flat because
of impurities in its acid.
Sulphate deposits from bat-
tery (white coating on plates).
Battery is exhausted, active
substance has fallen out of
plates.
Acid level too low.
Remedy
Check ratings of battery and
generator, if necessary fit a
special „Z“ or „HD“ battery.
Install it at a more favourable
point.
Install battery at a more
favourable point or use an
„Rf“ battery (shakeproof)
Charge the battery at a small
current level (approx. 1/40 of
its norminal capacity in
Amps) for about 50 hours.
Failing this, renew the bat-
tery.
Renew the battery.
Recharge battery with a sui-
table charger.
Renew voltage regulator on
generator.
Clean the terminal clips and
apply acid-proof grease to
them, then retighten the ter-
minal clips.
Install a larger battery and if
necessary a larger generator.
Renew the battery.
Charge the battery for approx.
50 hours at a low current.
Failing this, renew the bat-
tery.
Renew the battery.
Top up with distilled water.
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