MadMan NTWB2 Installation & User Manual - 10 Troubleshooting
NTWB2
INSTALLATION & USER MANUAL
Page | 15
Rev 1.0
10 TROUBLESHOOTING
SYMPTOM
CAUSE
REMEDY
No LEDs are
flashing on the
NTWB2.
NTWB2 does not have
power to it.
Check that power is being supplied to the NTWB2 and the plug-
in connector is correctly inserted. Check that any external
power switches are turned on and that the circuit fuse is good.
The LEDs are switched
off (Switch 4 is OFF)
Move Switch 4 to the ON position to turn the LEDs on.
The NTWB2
network SSID is not
shown in the WiFi
list of available
networks
NTWB2 does not have
power to it.
Check that power is being supplied to the NTWB2 and the plug-
in connector is correctly inserted. Check that any external
power switches are turned on and that the circuit fuse is good.
The NTWB2 is set to
Join mode (Switch 3 is
ON)
Set the NTWB2 for AP Mode by moving Switch 3 to the OFF
position and cycling the power to the NTWB2.
I cannot connect to
the NTWB2 in AP
Mode.
Password incorrect
Re-enter correct password.
WiFi signal strength
too low
Relocate the NTWB2 away from obstacles or move WiFi device
closer to the NTWB2.
Interference from
other radio sources or
WiFi networks
Use the NTWB2 Configurator to set a different (unused) WiFi
channel.
Separate the NTWB2 from sources of radio interference (e.g.
away from VHF radio, radar, electrical appliances, engine)
None of the above has
worked
Close all apps on the WiFi device (phone, tablet or PC). ‘Forget’
the WiFi network and re-connect using the correct password.
No data is being
received on Input 1
(the orange In 1
light isn’t flashing)
Incorrect wiring
connections.
Refer to the manufacturer’s instructions for correct wiring of
the NMEA talker that is connected to Input 1.
Incorrect baud rate.
Input 1 only supports 4800 baud rate. Ensure the NMEA talker
that is connected to Input 1 is sending data at 4800 baud.
LEDs turned off (Switch
4 is OFF)
Move Switch 4 to the ON position to turn the LEDs on.
No data is being
received on Input 2
Incorrect wiring
connections.
Refer to the manufacturer’s instructions for correct wiring of
the NMEA talker that is connected to Input 2.
Incorrect baud rate.
Ensure the NMEA talker that is connected to Input 1 is sending
data at 4800 or 38400 baud and that Switch 1 is set to match
(OFF = 38400, ON = 4800).
LEDs turned off (Switch
4 is OFF)
Move Switch 4 to the ON position to turn the LEDs on.
No WiFi data is
being received even
though the In 1 or
In2 LED (or both) is
flashing.
WiFi device not
connected to NTWB2
Ensure the WiFi device you are using is has WiFi turned on and
is connected to the right WiFi network (with SSID ‘Madman
xxxx’).
Incorrect port.
Make sure the app on the WiFi device you are using has the
same port set as the NTWB2.
Too many devices
attempting to make
TCP connections.
Ensure only one WiFi device is set to use TCP. All other devices
should be set to use UDP.