Troubleshooting
Solutions for Common Problems
If your unit is not operating properly, please refer to
the outline below.
Problem
Possible Cause
Corrective Procedure
Unit not
Plug not
Reinsert plug and rotate
receiving
properly inserted
power
Fuse in power cord is
Replace with 1 amp
defective
250
Volt
3
ag fuse
(see page16)
Lighter socket not clean
Consult your dealer or
and negatively grounded
a professional mechanic
Fuse or electrical
Consult your dealer or
wiring for lighter
a professional mechanic
socket defective
“Poor
Antenna/lens opening
Reposition unit with
detection
partially blocked
unobstructed view of
range”
road ahead and behind.
Radar signals unable to
Determine whether
pass through windshield
your vehicle has a
“heated windshield”
known as Instaclear
®
or ElectriClear
®
, or
is covered with a
metallic sun screen.
Erratic or
High concentration of
Use CTY mode
frequent
non-police X band
or CTY all
alerts
sources
Review section in this
manual on Performance
Verification
Partial or
Dim or dark mode
Disengage dim or
no display
engaged
dark mode
25
k
Summary of Contents for V940
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