Page 15 of 19 pages
EN
3.5
Troubleshooting
Problem
Cause
Solution
No LED is on
No Power supply or
low voltage
Double check
that the supply
voltage (12V or
24V) is con-
nected.
No green LED (for
distance and time
setting).
No valid GPS data
are going into the
easyWATCHBOX
Or
CPA-Alert is deac-
tivated.
Check if cables
are connected in
right order.
Check if AIS-
Class B is receiv-
ing GPS
Check if AIS-
Class B has GPS
data output ena-
bled.
Green “Settings“
LEDs are blinking
No AIS data are
available
Check if AIS-
Class B is receiv-
ing AIS targets.
(In areas with
plenty of ship
traffic it’s not
unusual to re-
ceive no AIS tar-
gets.
