Command Light K.L450A, Manual, Page: 20 / 36

KNIGHT 2
20
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.
Lamp filament broken. Replace lamp.
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
activates down limit switch
should move freely. Verify
proper switch operation.
Wires on back light
catching Check for 90 degree sealing
connector on lamp tree. Contact factory for
replacement part.
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
17.
Popping noise during
Back Light Rotation Switch boots stuck, faulty
rotation relay. Replace switch boots. Contact
factory for replacements parts.