Command Light KL409D, Manual, Page: 23 / 40

USER GUIDE
23
Troubleshooting
Problem Possible Cause Solution
Unit will not extend No power to the unit Check power input connections.
Incorrect installation
Refer to installation instructions.
Upper stage will not rotate Lower stage not raised above
safety limit (16” above base) Raise lower stage higher.
Rotation motor failure. Consult with factory.
Lights will not illuminate.
Lower stage not raised above
safety limit (16” above base) Raise lower stage higher.
Circuit breaker tripped. Check circuit breaker at power
supply.
No power to the unit. Check power supply
operation/output.
Rotation coasts after switch
is released
Rotation belt is loose. Adjust belt to provide no more
than ¼” slack
Unit will not nest Upper stage not centered. Raise lower stage higher than
16”. Center upper stage (green
light illuminated)
Unit being operated on a slope
>15°. Lower lamp tree to horizontal.
Using a pike pole, hold unit level
while lowering to nest position.
Autopark button must be held
in to park unit Faulty or stuck nest switch. Check nest switch ground and
operation. Rubber boot may have
shrunk and is holding in switch.
Water in electronics. Remove moisture from ground
points and electronics. Do not
use a pressure washer to clean
unit.
Upper Actuator & Rotation start
at the same time Down limit switch stuck or
damaged. Aluminum plunger which acti-
vates down limit switch should
move freely. Verify proper switch
operation.
No lights or rotation Check safety limit sensor, bad,
etc. Contact factory for replacement
part.
Autopark is off Center Center switch out of
alignment. Refer to instructions on page 16.