Troubleshooting Guide
Problem
Possible Cause
Solution
Plug not inserted properly
Reinsert plug and rotate
Blown fuse in power cord
Replace fuse with 1 amp
250 Volt 3AG fuse
Lighter socket not clean or
Consult your dealer or auto
negatively grounded
mechanic
Defective fuse or electrical
Consult your dealer or auto
wiring for lighter socket
mechanic
Partially blocked antenna or Reposition the unit to ensure
lens opening
unobstructed view of the
road ahead
Radar/laser signals unable
Determine if your vehicle has
to pass through windshield
a heated windshield or is
covered with a metallic sun-
screen. Check your vehicle’s
owner’s manual or consult
with your dealer.
High concentration of non-
Use Filter Mode
police X-band sources
(see page 8)
No visual
display or
audio (unit
not receiving
power)
Week or no
detection
range
Erratic or
frequent alerts
If you have any questions, please call one
of our experienced product consultants
toll-free at 800.323.6768
Warranty
K40 Electronics offers a one-year “repair or replace” warranty
if your RL100 fails to work properly.
To ensure you are
covered by our warranty please register your product
online today by visiting K40.com.
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