Table of Contents
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CHAPTER
12
This chapter contains information on troubleshooting the Viper Pro system. Please read through all sections in
this chapter before contacting technical support, as many common questions are answered here.
Viper Pro Troubleshooting Information
This section contains information about possible issues and solutions for the Viper Pro system.
General Issues
Issue
• No power to unit
Viper does not
• Blown fuse
power up.
• Poor ground
• No power to CAN nodes
• Weak or dirty power to
the CAN nodes
CAN nodes not
• Water in CAN nodes
detected.
• Corrosion in CAN
connections
• Broken cable to node
• Low power voltage
• Area touched does not
include a selectable
function
Touch screen does
not respond to touch
• System is busy
processing a previous
request
Manual No. 016-0171-122 Rev. I
T roubleshooting the
C h a p t e r 1 2
Viper Pro System
Possible Cause
• Check for +12VDC on pin 16 of the Viper power cable.
• Check for continuity in 10 amp fuse in Viper power cable.
• Make sure that pin 1 is connected to the battery ground.
• Verify that there is 12 volt power and ground to the CAN node's
logic power
• Verify that the 12 volt power to the CAN node is coming from the
switch relay that is connected to the battery
• Do not direct any pressure or wash stream directly at the CAN
node(s) to prevent water and moisture from building up in the
nodes.
• Disconnect and clean the CAN connections.
• Repair or replace cable.
• Verify at least +10VDC at node.
• Touch an area of the screen that contains a selectable function.
• Wait for system to finish processing previous requests.
Solution
205
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Table of Contents
Troubleshooting
