Kohler Command Pro CV980 - Manual (Page 65)

7.15
Section 7
Electrical System and Components
7
Troubleshooting Guide
15/20/25 Amp Battery Charging Systems
‘Ž—ȱ™›˜‹•Ž–œȱ˜ŒŒž›ȱ’—ȱ”ŽŽ™’—ȱ‘Žȱ‹ŠĴŽ›¢ȱŒ‘Š›Žȱ˜›ȱ‘Žȱ‹ŠĴŽ›¢ȱŒ‘Š›ŽœȱŠȱ˜˜ȱ‘’‘ȱŠȱ›ŠŽǰȱ‘Žȱ™›˜‹•Ž–ȱŒŠ—ȱ
žœžŠ••¢ȱ‹Žȱ˜ž—ȱœ˜–Ž ‘Ž›Žȱ’—ȱ‘ŽȱŒ‘Š›’—ȱœ¢œŽ–ȱ˜›ȱ ’‘ȱ‘Žȱ‹ŠĴŽ›¢ǯ
NOTE: • Š¢œȱ£Ž›˜ȱ˜‘––ŽŽ›ȱ˜—ȱŽŠŒ‘ȱœŒŠ•Žȱ‹Ž˜›ŽȱŽœ’—ȱto ensure accurate readings. Voltage tests should
‹Žȱ–ŠŽȱ ’‘ȱ‘ŽȱŽ—’—Žȱ›ž——’—ȱŠȱřŜŖŖȱȱȬȱ—˜ȱ•˜Šǯȱ‘Žȱ‹ŠĴŽ›¢ȱ–žœȱ‹Žȱ˜˜ȱŠ—ȱž••¢ȱŒ‘Š›Žǯ
Problem Test Conclusion
No Charge
to Battery
ȱ ŗǯȱ ›ŠŒŽȱƸȱ•ŽŠȱ›˜–ȱ›ŽŒ’ꎛȬ›Žž•Š˜›ȱ
˜ȱ”Ž¢ȱœ ’Œ‘ǰȱ˜›ȱ˜‘Ž›ȱŠŒŒŽœœ’‹•Žȱ
Œ˜——ŽŒ’˜—ǯȱ’œŒ˜——ŽŒȱ’ȱ›˜–ȱ
œ ’Œ‘ȱ˜›ȱŒ˜——ŽŒ’˜—ǯȱ˜——ŽŒȱ
an ammeter from loose end of B+
•ŽŠȱ˜ȱ™˜œ’’ŸŽȱŽ›–’—Š•ȱ˜ȱ‹ŠĴŽ›¢ǯȱ
˜——ŽŒȱȱŸ˜•–ŽŽ›ȱ›˜–ȱ•˜˜œŽȱ
end of B+ lead to negative terminal
˜ȱ‹ŠĴŽ›¢ǯȱ’‘ȱŽ—’—Žȱ›ž——’—ȱ
ŠȱřŜŖŖȱǰȱ›ŽŠȱŸ˜•ŠŽȱ˜—ȱ
voltmeter.
ȱ ȱ ȱŸ˜•ŠŽȱ’œȱŗřǯŞȱŸ˜•œȱ˜›ȱ–˜›Žǰȱ™•ŠŒŽȱ
Šȱ–’—’–ž–ȱ•˜Šȱ˜ȱśȱŠ–™œȘȱ˜—ȱ
‹ŠĴŽ›¢ȱ˜ȱ›ŽžŒŽȱŸ˜•ŠŽǯȱ‹œŽ›ŸŽȱ
ammeter.
ȱ ŗǯȱ ȱŸ˜•ŠŽȱ’œȱ13.8-14.7 and charge rate
increases when load is applied, the charging
œ¢œŽ–ȱ’œȱ
ȱŠ—ȱ‹ŠĴŽ›¢ȱ Šœȱž••¢ȱŒ‘Š›Žǯ
ȱ ȱ ȱŸ˜•ŠŽȱ’œȱ•Žœœȱ‘Š—ȱŗřǯŞȱ˜›ȱŒ‘Š›Žȱ›ŠŽȱ˜Žœȱ
not increase when load is applied, test stator
ǻŽœœȱŘȱŠ—ȱřǼǯ
ȱ Řǯȱ Ž–˜ŸŽȱŒ˜——ŽŒ˜›ȱ›˜–ȱ›ŽŒ’ꎛȬ
›Žž•Š˜›ǯȱ’‘ȱŽ—’—Žȱ›ž——’—ȱŠȱ
řŜŖŖȱǰȱ–ŽŠœž›ŽȱȱŸ˜•ŠŽȱ
ŠŒ›˜œœȱœŠ˜›ȱ•ŽŠœȱžœ’—ȱŠ—ȱȱ
voltmeter.
ȱ Řǯȱ ȱŸ˜•ŠŽȱ’œȱŘŞȱŸ˜•œȱ˜›ȱ–˜›ŽǰȱœŠ˜›ȱ’œȱ
ǯȱ
ŽŒ’ꎛȬ›Žž•Š˜›ȱ’œȱŠž•¢ǯȱŽ™•ŠŒŽȱ‘Žȱ
›ŽŒ’ꎛȬ›Žž•Š˜›ǯ
If voltage is less than ŘŞȱŸ˜•œ, stator is
™›˜‹Š‹•¢ȱŠž•¢ȱŠ—ȱœ‘˜ž•ȱ‹Žȱ›Ž™•ŠŒŽǯȱŽœȱ
œŠ˜›ȱž›‘Ž›ȱžœ’—ȱŠ—ȱ˜‘––ŽŽ›ȱǻŽœȱřǼǯ
ȱřŠǯȱ ’‘ȱŽ—’—Žȱœ˜™™Žǰȱ–ŽŠœž›Žȱ‘Žȱ
resistance across stator leads using
an ohmmeter.
ȱřŠǯȱ ȱ›Žœ’œŠ—ŒŽȱ’œȱ0.064/0.2 ohms, the stator is
ǯ
ȱ ȱ ȱ‘Žȱ›Žœ’œŠ—ŒŽȱ’œȱ’—ę—’¢ȱ˜‘–œǰȱœŠ˜›ȱ’œȱ
open. Replace stator.
ȱř‹ǯȱ ’‘ȱ‘ŽȱŽ—’—Žȱœ˜™™Žǰȱ–ŽŠœž›Žȱ
the resistance from each stator lead
to ground using an ohmmeter.
ȱř‹ǯȱ ȱ‘Žȱ›Žœ’œŠ—ŒŽȱ’œȱ’—ę—’¢ȱ˜‘–œȱǻ—˜ȱ
Œ˜—’—ž’¢Ǽǰȱ‘ŽȱœŠ˜›ȱ’œȱ
ȱǻ—˜ȱœ‘˜›Žȱ˜ȱ
›˜ž—Ǽǯ
ȱ ȱ ȱ›Žœ’œŠ—ŒŽȱǻ˜›ȱŒ˜—’—ž’¢Ǽȱ’œȱ–ŽŠœž›Žǰȱ‘Žȱ
stator leads are shorted to ground. Replace
stator.
Battery
Continuously
Charges at
High Rate
ȱ ŗǯȱ Ž›˜›–ȱœŠ–ŽȱŽœȱŠœȱœŽ™ȱŗȱŠ‹˜ŸŽǯ ȱ ŗǯȱ ȱ‘ŽȱŸ˜•ŠŽȱ’œȱŗŚǯŝȱŸ˜•œ or less the charging
œ¢œŽ–ȱ’œȱ
ǯȱ‘Žȱ‹ŠĴŽ›¢ȱ’œȱž—Š‹•Žȱ˜ȱ
‘˜•ȱŠȱŒ‘Š›ŽǯȱŽ›Ÿ’ŒŽȱ‹ŠĴŽ›¢ȱ˜›ȱ›Ž™•ŠŒŽȱŠœȱ
necessary.
If voltage is more than ŗŚǯŝȱŸ˜•œǰȱ‘Žȱ›ŽŒ’ꎛȬ
›Žž•Š˜›ȱ’œȱŠž•¢ǯȱŽ™•ŠŒŽȱ›ŽŒ’ꎛȬ›Žž•Š˜›ǯ