Landoll 825B Series, Руководство оператора

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5 TROUBLESHOOTING
Troubleshooting should be performed by a trained and competent technician. Landoll Corporation is not
responsible for equipment that is improperly maintained. Contact an authorized Landoll Service center or
the Landoll factory for servicing.
5-1 ELECTRICAL
Most electrical system problems show up as a burned out light or fuse, or inoperative electrical compo-
nent. Wiring, grounds, or components may be at fault. Locate the symptom in this section that best identi-
fies your electrical problem. Check out each possible problem under that symptom. If the problem cannot be
located, see an automotive electrical specialist.
SYMPTOM PROBLEM: REMEDY
NO LIGHTS
Fuse blown: replace fuse.
Connection at plug-in: tighten connection.
Broken or corroded wires: replace wire.
Ground wire loose: clean and tighten ground.
LIGHTS FLICKERING Wires shorted or loose: locate, insulate, replace, or tighten.
Grounding through fifth wheel: locate broken ground wire (tractor
or semitrailer).
LIGHTS DIM Voltage difference between semitrailer & tractor: match bulbs
with tractor voltage.
Grounding through fifth wheel: locate broken ground wire (tractor
or semitrailer).
LIGHTS BRIGHT & BURN OUT Voltage difference between semitrailer & tractor: match bulbs
with tractor voltage.
FUSE BLOW-OUT OR CIRCUIT
BREAKER TRIPPING Vibration: locate source of vibration and repair.
Short circuit: replace fuse and try all accessories. If fuse blows
right away, locate short and repair.
LAMP BULB BURN OUT 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 connections.
Intermittent short: locate short and repair.
Improper voltage: check voltage regulator output.
5-1