Parker Vansco - Troubleshooting

User Guide 71
Troubleshooting
This section assumes that the product is connected in a Development System.
The following table provides possible solutions for potential problems:
Problem
Possible Causes
Possible Solutions
Everything is
connected, but
there is no CAN
communication.
The VMM is not powered.
 Ensure all of your connecting points in
the desktop setup are properly seated.
 Ensure the power supply is on and
connected to a VMM2404 within your
desktop setup.
 Ensure the power control input is active
(refer to the power control input section
for details).
The power LED will flash once every second
when the VMM2404 is powered.
The CAN bus is not set up
correctly.
 Ensure there is a 120  terminating
resistor at each end of the CAN bus.
13. Troubleshooting