Table of Contents
Rev. 08/2018 5
9 Operation .................................................................................................................. 73
9.1 Firmware Update................................................................................................... 73
10 Errors ....................................................................................................................... 77
10.1 Troubleshooting .................................................................................................. 77
10.2 Possible Faults ................................................................................................... 78
10.3 Acknowledging Faults ......................................................................................... 79
10.4 Customer Service Information .............................................................................. 79
10.5 Returning Equipment for Repair/Inspection .......................................................... 80
10.6 Instructions for Packaging the Equipment ............................................................ 80
11 Maintenance ............................................................................................................. 81
11.1 Spare Parts and Accessories ................................................................................. 81
12 Annex ..................................................................................................................... 82
12.1 Replacement of the Stepper Motor Driver .............................................................. 82
12.1.1 VariStep to VariStep3 Stepper Motor Driver ........................................................ 82
12.1.2 VariFuel2 to VariStep3 Stepper Motor Driver....................................................... 85
13 Index ....................................................................................................................... 89