Troubleshooting
Owner’s Manual for PLT240 Light Tower 19
Section 5: Troubleshooting
Troubleshooting the Lights
IMPORTANT NOTE: Only a qualified electrician should
troubleshoot or repair electrical problems occurring in this
equipment. Contact Generac Mobile Products Technical
Service at 1-800-926-9768 for assistance if you have any
questions, or if problems persist.
(000343)
Electrocution. Potentially lethal voltages are present
in this equipment. Render the equipment safe before
attempting repairs or maintenance. Failure to do so
will result in death or serious injury.
DANGER
Problem Possible Cause Solution
LED Mast Lights
Do Not Turn On
Extension cord too long
Reduce length or increase gauge of extension cord. See
Table 1 in
Section 3.
Faulty electrical
connection
Verify connectors within following sections are properly seated and there
are no loose connections:
• Mast junction box
• 12 pin connector
• LED drivers (4)
• Mast light circuit breakers (4)
• Input power selector switch
• Main breaker switch
Faulty main breaker
switch
Replace main breaker switch
Faulty mast light circuit
breaker(s)
Replace mast light circuit breaker(s)
Faulty LED driver
Verify driver input voltage from light switch is 120VAC ±10VDC. If output
voltage from LED Driver (at 12 pin connector) is less than 24VDC, replace
LED driver.
Supply power breaker
tripped
Reset supply power breaker.
Extension cord gauge
too small
Use larger extension cord.
LED Mast Lights
are Flashing
LED driver overheated
Leave light off for a few minutes to reset protection; then restart lights.
Verify nothing is obstructing airflow to driver. Check for accumulated dust
or dirt on driver; remove using clean, dry cloth.
Voltage is too low Raise voltage to 90VAC
Main Breaker
Switch Trips when
Applying Load
Connected load (through
GFCI) too large
Reduce size of connected load or reduce the number of lights in use.
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