6-1
CHAPTER 6 Troubleshooting the 994-X
This chapter describes troubleshooting steps to help technicians solve issues that may occur with
your KVAL machine. If help is needed, call or contact our KVAL Service team at (800) 553-5825
or http://www.kvalinc.com.
Chapter 6 at a Glance
Section Name Summary Page
About Motion Control
This section contains basic information on the
operationPage 6-2 of motion control circuits. Includes
diagrams of the control circuits.
Page 6-2
Troubleshooting Basics
This section includes basic troubleshooting information.
Includes analyzing
sub systems to designate a starting
point for troubleshooting.
Page 6-7
Using Sensors to
Troubleshoot
Includes the voltage values of sensors during machine
op
eration.
Page 6-22
Troubleshooting
Electrical Problems
Includes voltages in the electrical panels, using the Sta-
tus Light panel to troubleshoot, and VFD troubleshoot-
ing.
Page 6-25
Network System
Overview
Network overview. View of Network layout, Servo call-
outs. Location of VFD’s
Page 6-31
Symptoms and Possible
Causes
A table that lists some common solutions to issues that
may oc
cur
Page 6-34
Refer to the Air and Electrical drawings provided with delivery of
the machine. The drawings are normally located in the Electrical
Panel. If copies are unavailable, contact the KVAL Service
Department. Have drawings numbers, model number, and serial
number of machine readily available.
Note:
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