Chapter 6
Troubleshooting & Repairs
you may need to replace the
AC
motor.
•
U . U o l t
(U.volt) - Under voltage on the
DC
bus. The incoming power supply is
too low. This happens normally when power is removed from the
VFD
. If it
occurs while the machine should be operational, check the incoming power
supply voltage and all components in the power feed line to the drive.
If you see any other error messages on the
VFD
status display, contact Envipco.
6.4. Troubleshooting Other Conditions
This section explains troubleshooting steps for conditions that do not result in an error message.
6.4.1.
Display Not Functional
If the display is not working, here are some steps to diagnose and solve the problem:
•
First, be sure that the display is set to receive
VGA
signal. Press the input
selection button until it is set to
VGA
.
•
Check that the data and power harnesses are secure.
•
If the picture is off-center, use the Diagnostic Program (Misc /
Touchscreen) to calibrate the screen.
•
If the touch screen is out of alignment, power it off and power it back on.
Then, re-calibrate the screen.
•
If you need to replace the display, you will need to use a keyboard with a
pointing device to calibrate the screen.
6.5. Repairs
This section details common field repairs.
6.5.1.
Swapping an RVM Controller
If you need to replace the
RVM
Controller Box, follow these steps to make sure the
RVM
retains its
configuration and accounting data.
1.
Turn off the
RVM
Controller using the
RVM
Controller power switch.
2.
Swing open the Sensor/Display Assembly
3.
Remove all the cables that are connected to the
RVM
Controller Box.
6-6
Summary of Contents for FLEX Dual
Page 1: ...FLEX Series ServiceManual March 16 2016...
Page 2: ......
Page 14: ...1 6 Chapter 1 Introduction Safety FLEX HDS LASER DANGER LABEL...
Page 21: ...1 13 Safety labels FLEX HDS ONLY RIGHT PANEL KEEP HANDS AWAY WARNING LABEL 1 13...
Page 28: ...Chapter 2 Specifications 2 6 Notes...
Page 50: ...RVM Controller Box 3 19 FIGURE 3 18 MC5 BoardLayout FIGURE 3 19 MD5 BoardLayout 3 22...
Page 57: ...3 26 Chapter 3 Hardware Components Notes...
Page 58: ......
Page 84: ...4 26 Chapter 4 RVM Software MC1 Board FLEX DFF FLEX DFF GDS AC MOTOR CONTROL BOX...
Page 85: ...4 27 Software Theory of Operation Notes...
Page 86: ...4 28 Chapter 4 RVM Software Notes...
Page 94: ...5 8 Chapter 5 Maintenance Notes...
Page 106: ...Chapter 6 Troubleshooting Repairs Notes 6 12...
Page 107: ...Repairs Notes 6 13...
Page 108: ...Chapter 6 Troubleshooting Repairs Notes 6 14...
Page 109: ...Repairs Notes 6 15...
Page 110: ...Chapter 6 Troubleshooting Repairs Notes 6 16...
Page 111: ...Repairs Notes 6 17...
Page 112: ...Chapter 6 Troubleshooting Repairs Notes 6 18...
Page 113: ...Repairs Notes 6 19...
Page 114: ...Chapter 6 Troubleshooting Repairs Notes 6 20...