WERCSWERCSDiagnose

Siemens SINAMICS V20 VFD

Siemens SINAMICS V20 VFD code F1: Overcurrent

The drive has detected an overcurrent condition, which causes the equipment to stop running immediately.

Safety first. This code involves a gas, flame or electrical hazard. Do not keep resetting it. Leave burner, gas train and high voltage work to a qualified technician. WERCS answers 24/7 at (877) 489-3727.
Code
F1
Name
Overcurrent
Controller
Siemens SINAMICS V20 VFD
Type
Overcurrent
What it does
Fault: the equipment trips and stops
Risk
RED Specialist territory
Reset
Needs a manual reset
Source
The manufacturer's manual (subscribers see which manual and page)

Updated November 4, 2026

How to fix it

Subscribers get:

  • What to do next, in plain words
  • What the manual says to do, and the page it is on
  • The 6 common causes listed for this code
  • The step by step check for this problem, one check at a time
  • Booking a live video call with Ben, a master booth technician ($250/hr, paid per call)

Questions about this code

What does Siemens SINAMICS V20 VFD code F1 mean?

The drive has detected an overcurrent condition, which causes the equipment to stop running immediately.

Is Siemens SINAMICS V20 VFD code F1 dangerous?

It is graded red, specialist territory: it involves a burner, gas, flame or safety lockout, so leave the repair to a qualified technician.

How do I fix Siemens SINAMICS V20 VFD code F1?

The manual's fix and the step by step check for this code are in WERCS Diagnose, plans from $49 a month. For help right now, WERCS answers 24/7 at (877) 489-3727.

Other Siemens SINAMICS V20 VFD codes

All 54 Siemens SINAMICS V20 VFD codes · Every fault code