Tormach 8L - Page 75

7: TROUBLESHOOTING
©Tormach® 2021
Specifications subject to change without notice.
Page 75 UM10753: 8L Operator's Manual (Version 0321B)
For the most recent version, see tormach.com/support
Cause: The VFD tripped.
Probability How-To Steps Need More?
Low
If the VFD tripped, an error code displays. Read the error code and go to
"Spindle VFD Trip Reference" (on the next page).
You can clear a VFD trip by either:
l Removing power from the VFD
for 30 seconds.
l Pressing the red Reset button on
the front of the VFD .
Cause: The VFDis defective.
Probability How-To Steps
Low The VFD may be defective if:
l The display isn't on and there is nominal 115 Vac between wires 117 and 112/N at the VFD.
l The VFD displays a trip condition that does not clear when power is removed, the VFD may be defective.
Cause: The VFD is not programmed, or it's programmed incorrectly.
Probability How-To Steps Need More?
Low
1. Push Enter on the front panel of the VFD twice.
The display changes to 00.000, with the .000 blinking.
2. Repeatedly push the Up Arrow until .000 changes to .011.
3. Push Enter again.
The display shows the model of the machine or accessory (for example,
1100 for an 1100M, or RT11 for a RapidTurn on an 1100M).
4. Push the Up Arrow once more, and the VFD displays parameter .012,
which is the software version number (for example, version 2.01).
5. Push Back to exit this mode.
Contact Tormach Technical Support
(support@tormach.com) for further
instructions on reprogramming your
VFD.
Cause: The machine control board is defective, or there are defective cables between the machine control board and the spindle VFD.
Probability How-To Steps
Low
Examine all cables to verify that they're properly seated in their connectors on the machine control board.