TROUBLESHOOTING

 

 

 

 

 

 

 

Table 10. Lamp Troubleshooting (continued)

 

 

 

Symptom

Possible Cause

Solution

 

 

 

Lamp starts slowly

 

 

(ARC does not strike

Defective Lamp?

Lamp may glow for extended period of time. Replace after

when switch is first

checking voltage and ballast.

 

turned on)

 

 

 

 

 

Circuit breaker trips on

Short Circuit or Ground?

Check wiring against diagram. Check for shorts or ground.

lamp start-up

 

 

 

 

 

 

Normal Lamp

Replace Lamp.

 

Depreciation?

 

 

 

 

 

 

Dirty Lamp or Fixture?

Clean lamp and fixture.

 

 

Interchange ballast plugs in generator enclosure. If lamp

Lamp light output low

Defective Ballast?

returns to normal light output, replace ballast. Check for

swollen capacitor, charred wiring, core and coil, or other signs

 

 

 

of excessive heat.

 

 

 

 

 

Check voltage at ballast input. Voltage should be within 10%

 

Wrong Voltage?

of nameplate rating. Check wiring connections for voltage

 

 

loss. Check socket contact point.

 

Improper Ballast?

Check ballast nameplate against lamp data.

 

 

 

 

 

Lamp output and brightness decreases and color changes

 

Normal Lamp

slightly as lamps age. Spot replacement with new lamps

 

Depreciation?

may cause noticeable differences in lamp colors. Group

Lamp colors different.

 

replacement minimizes color differences.

 

 

Dirty Fixture?

Dirty fixtures will cause lamps to appear different in color.

 

 

Clean fixture.

 

 

 

 

 

 

Wrong Lamp?

Check data on lamps which appear different in color. Replace

 

with correct color lamp.

 

 

 

 

 

 

Over Voltage from Power

Check voltage at ballast. Check for current or voltage surges.

ARC tube discolored or

Supply?

Check for shorted capacitors and replace if defective.

swollen.

Improper Ballast?

Lamp operated on ballast designed for higher wattage lamp.

 

Check ballast nameplate against lamp data.

 

 

 

 

 

 

 

Check for outer bulb cracks. If air enters outer bulb, arc tube

 

 

may continue to burn for 100 hours before failure. Check for

 

 

bulb cracks where glass meets the base due to tightening

 

Lamp Damaged?

Lamp too firmly in socket or scoring of glass where socket

Short lamp life.

 

inadvertently touches the lamp bulb. Look for broken arc tube

 

or loose metal parts. Replace lamp. (Bulb leads will cause

 

 

 

 

oxidation of metal parts.)

 

 

 

 

 

Ballast nameplate data should agree with lamp line voltage

 

Improper Ballast?

and lamp use. If improper ballast is used, the lamp life will be

 

 

shortened. A mismatch may also cause the ballast to fail.

page 40 — LT12Dab LIGHT TOWER • operation manual — rev. #0 (06/03/11)

Page 40
Image 40
Multiquip LT12DAB Lamp starts slowly ARC does not strike Defective Lamp?, Lamp start-up, Excessive heat, Wrong Voltage?

LT12DAB specifications

The Multiquip LT12DAB is an innovative and reliable light tower designed to deliver efficient lighting solutions for various outdoor applications. Known for its robust construction and user-friendly features, the LT12DAB is ideal for construction sites, events, and emergency situations, providing flexibility and performance in a compact package.

One of the standout features of the LT12DAB is its powerful lighting system. It is equipped with four high-intensity LED lights, each delivering up to 12,000 lumens, ensuring ample illumination for expansive areas. The LED technology not only enhances visibility but also offers advantages in power consumption, resulting in reduced energy costs and longer operational life. The tower can be raised up to 30 feet, enabling it to cast a broad beam of light across large outdoor spaces.

The LT12DAB is built with advanced mobility in mind. It features a durable, weather-resistant frame that can withstand various environmental conditions, making it suitable for use in diverse locations. The all-terrain wheels provide enhanced maneuverability, allowing operators to transport the unit easily across job sites or uneven terrains. Additionally, the lightweight design ensures that it can be easily handled by a small crew.

Powering the LT12DAB is a reliable and fuel-efficient diesel generator that provides extended run times without frequent refueling. This generator not only supports the lighting system but can also power additional tools and equipment, adding versatility to its functionality. The unit is designed with low noise emissions, making it ideal for operation in noise-sensitive areas.

Ease of use is paramount in the design of the LT12DAB. The intuitive control panel allows users to operate the lights and generator effortlessly. The telescopic mast can be raised or lowered quickly, with safety features in place to prevent accidental collapse. Moreover, the integrated sensors monitor the oil levels and engine temperature, providing alerts for maintenance needs.

In summary, the Multiquip LT12DAB combines powerful lighting capabilities with robust construction and user-friendly features. Its mobility, energy efficiency, and reliability make it a valuable tool for any outdoor project, ensuring that worksites remain well-lit and safe, regardless of the conditions. Whether for construction, events, or emergencies, the LT12DAB stands out for its performance and adaptability, meeting the demands of today’s professional environments.