SYSTEM OPERATIONS-17
TROUBLESHOOTING GUIDE
DC ELECTRICAL SYSTEM
PROBLEM CAUSE SOLUTION
12 Volt DC equipment not
operating
Battery selector switch turned
OFF.
Check battery selector
switches to ensure they are
turned ON.
Main breaker at DC Control
center OFF.
Switch breaker to ON.
Weak or dead battery. Change battery selector switch
position; recharge battery.
Main Breaker at battery switch
has been tripped.
Reset breaker.
Battery not charging (engine
running)
Engine alternator belt loose. Tighten belt.
Battery not holding a charge Defective battery. Replace battery.
12 Volt Device not working Circuit breaker for device is
OFF.
Switch breaker to ON.
Weak or dead battery. Change battery selector switch
position; recharge battery.
Faulty electrical connection. Check 12 volt DC connections.
Tighten or repair as needed.
Cabin Lights not working (off
or dim)
Cabin Lights breaker OFF. Switch breaker to ON.
Weak or dead battery. Recharge or replace battery.
Light bulb burned out. Replace bulb.
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