{}

Our Brands

Impact-Company-Logo-English Black-01-177x54

Welcome to the Schneider Electric Website

Welcome to our website.

Search FAQs

You are currently viewing the content available in Vietnam. If you are looking for information for another region, please select the correct country from the top-left dropdown in the page and 'Navigate to Browse FAQs' in the Support menu.

What is the possible causes of InFb fault, with no brake resistor ?

Issue:
InFb fault possible causes without a brake resistor.

Product Line:
ATV61, ATV71, Altivar 61 Altivar 71

Environment:
All

Cause:
InFb fault - Internal th sensor
• The drive temperature sensor is not operating correctly
• The braking unit's temperature sensor is not operating correctly

Resolution:
For the InFb  [Internal- th. sensor] fault, check the Drive Thermal State under menu 1.2 Monitoring (Drv. thermal state, tHd)

• Inspect/repair the drive
• Remove and inspect the control board
• Replace the braking unit's temperature sensor
• Inspect/repair the braking unit
• The monitoring of this fault must be deactivated by the [Brake res. fault Mgt] (bUb) parameter,  if there is no braking unit connected to the drive

Schneider Electric Vietnam

Explore more
Range:
Altivar 61
Explore more
Range:
Altivar 61
Users group

Discuss this topic with experts

Visit our Community for first-hand insights from experts and peers on this topic and more.