Troubleshooting - Landoll 345B Operator's Manual

TROUBLESHOOTING

5-1 ELECTRICAL
Most electrical system problems show up as a burned out light or fuse, or inoperative electrical
component. Wiring, grounds, or components may be at fault. Locate the symptom in this section that
best identifies your electrical problem. Check out each possible problem under that symptom. If the
problem cannot be located, see an automotive electrical specialist. For maintenance procedures see
Section 4-5.
SYMPTOM
NO LIGHTS
LIGHTS FLICKERING
LIGHTS DIM
LIGHTS BRIGHT & BURN OUT
FUSE BLOW-OUT OR CIRCUIT
BREAKER TRIPPING
LAMP BULB BURN OUT
PROBLEM: REMEDY
Fuse blown: replace fuse.
Connection at plug-in: tighten connection.
Broken or corroded wires: replace wire.
Ground wire loose: clean and tighten ground.
Wires shorted or loose: locate, insulate, replace, or tighten.
Grounding through fifth wheel: locate broken ground wire
(tractor or trailer).
Voltage difference between trailer & tractor: match bulbs
with tractor voltage.
Grounding through fifth wheel: locate broken ground wire
(tractor or trailer).
Voltage difference between trailer & tractor: match bulbs
with tractor voltage.
Vibration: locate source of vibration and repair.
Short circuit: replace fuse and try all accessories. If fuse
blows right away, locate short and repair.
Vibration: locate source of vibration and repair.
Short circuit: replace fuse and try all accessories. If fuse
blows right away, locate short and repair.
Loose connection: check lamp sockets and ground connec-
tions.
Intermittent short: locate short and repair.
Improper voltage: check voltage regulator output.
5-1