
TABLE XI-VI. TROUBLESHOOTING CHART (ELECTRICAL SYSTEM) (cont.)
Trouble
Cause
Remedy
BATTERY
Discharged battery.
Battery worn out.
Replace battery.
Low electrical system
Check voltage regulator voltage.
voltage.
Standing too long.
Remove and recharge battery if left
in unused airplane 3 weeks or more.
Equipment left on
Remove and recharge.
accidentally.
Impurities in electrolyte
Replace.
Short circuit (ground)
Check wiring.
in wiring.
Broken cell partitions.
Replace.
Battery life is short.
Overcharge due to level
Maintain electrolyte.
of electrolyte being
below top of plates.
Sulfation due to disuse.
Replace.
Impurities in electroIyte.
Replace battery.
Low charging rate.
Check voltage regulator voltage.
PIPER AIRCRAFT
PA-28-161 CADET
AIRPLANE MAINTENANCE MANUAL
Issued: FEBRUARY. 28, 1989
ELECTRICAL SYSTEM
2E11