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POW'R LITE Troubleshooting Guide
Problem
Mast will not raise to operating position.
Mast will not telescope to desired height.
Mast will not rotate.
Engine will not turn over.
Engine turns over but will not start.
Engine difficult to start.
Rough running engine with low power
output.
Engine runs but produces excessive thick
smoke.
Engine runs but battery voltage low.
Engine runs but lights do not come on.
Unusual noises coming from the
generator.
An electric shock occurs when the light
tower or housing is touched.
Control panel does not illuminate
MN2488
Table 5-1 Troubleshooting Guide
Possible Cause
Mast Lock Pin still in place.
Defective winch or cable.
Defective winch or broken cable.
Bolt/nut on bottom of mast may be too
tight.
Mast rotation collar needs to be greased.
Loose battery cables or dead battery.
Engine seized due to loss of oil.
Fuel tank empty.
Clogged fuel filter.
Fuel line connections leaking.
Heater plug element burned out.
Suspect contaminated fuel.
Battery charge low or cables loose.
Motor oil too thick in cold winter.
Clogged fuel filter or fuel cloudy in cold
weather.
Fuel line connections leaking.
Clogged fuel filter or leaking fuel line
connections.
Exhaust system clogged.
Air filter clogged.
Fuel injectors nozzles clogged or stuck.
Valve clearance needs adjusting or valve
springs broken.
Governor or injector pump defective.
Crankcase oil level too high.
Compression low.
Battery charger or alternator failure.
Circuit breakers tripped or light switches
in "OFF" position.
Loose connections in light wiring.
Loose connection in ballast box wiring.
Bulbs burned out.
Defective AC generator.
Engine speed too low.
Defective ballast.
Generator bearing or cooling fan
defective.
Short circuit in wiring system.
Battery power failure
Remedy
Remove pin.
Have winch and cable examined by a qualified mechanic.
Replace if required.
Have winch and cable examined by a qualified mechanic.
Replace if required.
Back off on nut setting slightly and try to rotate mast.
Apply grease to grease fitting.
Recharge or replace battery. Check battery cable at battery
terminals and starter for tightness.
Have unit inspected by qualified mechanic.
Fill tank and bleed fuel system.
Replace filter, use winter grade fuel (weather cold). Bleed out air.
Tighten all fuel fittings and bleed air from fuel system.
Replace heater plug.
The fuel tank has a drain valve on the bottom side of the trailer.
Drain and replace the fuel.
Replace/recharge battery. Tighten cable connections.
Use proper winter grade oil.
Replace filter and bleed air from System. Use winter grade diesel in
cold weather.
Tighten all fuel fittings and bleed air from fuel system.
Tighten all fuel fittings and bleed air from fuel system.
Check muffler and exhaust manifold, clear any obstructions.
Replace air filter.
Have unit checked by qualified mechanic.
Have unit checked by qualified mechanic.
Have unit checked by qualified mechanic.
Drain oil level to full mark on dipstick.
Have qualified mechanic check unit for broken or seized rings or
improper valve clearances.
Have qualified mechanic repair or replace.
Check circuit breaker, press reset button if tripped, turn on light
switches.
Check junction box connections for security.
Have a trained electrician inspect ballast box and wiring.
Replace bulbs.
Have a trained electrician inspect generator.
Have a qualified mechanic check unit and, if necessary, reset
engine speed to 1800 RPM or 60 HZ.
Have a trained electrician inspect the ballast system.
Have a qualified mechanic inspect the generator.
IMMEDIATELY stop using the light tower.
IMMEDIATELY have the unit inspected by a qualified mechanic.
Check control fuse, replace if necessary.
Replace or recharge battery.
Tighten cable connections.
Troubleshooting and Maintenance 5-3
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