We picked up a Lenze SMVector 5HP drive and it worked for a short while but now it only shows F.0F1 error upon startup.
As part of troubleshooting, we disconnected the drive from motor and restarted the VFD...same error and it won't complete start up (cannot go beyond this step and access options)
That error translates to an Ground Fault issue but having no output device connected, it's something internal to the VFD. We assumed it might be a rectifier and I found a test procedure using multimeter w/diode function and using the mm leads in various position across the output terminals/ground and what the expected readings should be (either OPEN or approx .5V). VFD tests okay with that procedure
Had a chat with Lenze and they stated it's most likely a failed output transistor but the price to repair is nearly 2/3 price to replace the drive.
I know that this isnt a programming question but of course, a non-functional VFD is also not programmable...and we were intending on keeping the unit and customizing some of the programming to make better use of this unit e.g. add an e-brake option, change ramp up/down parameters, etc.
Anyone here familiar enough with SMvector VFD's that know where this component is on the board and how to test it?
As part of troubleshooting, we disconnected the drive from motor and restarted the VFD...same error and it won't complete start up (cannot go beyond this step and access options)
That error translates to an Ground Fault issue but having no output device connected, it's something internal to the VFD. We assumed it might be a rectifier and I found a test procedure using multimeter w/diode function and using the mm leads in various position across the output terminals/ground and what the expected readings should be (either OPEN or approx .5V). VFD tests okay with that procedure
Had a chat with Lenze and they stated it's most likely a failed output transistor but the price to repair is nearly 2/3 price to replace the drive.
I know that this isnt a programming question but of course, a non-functional VFD is also not programmable...and we were intending on keeping the unit and customizing some of the programming to make better use of this unit e.g. add an e-brake option, change ramp up/down parameters, etc.
Anyone here familiar enough with SMvector VFD's that know where this component is on the board and how to test it?
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