InverteriC5Verification pending — cross-check with the official manual
iC5 EFtb — External Fault B Contact Input
Trip — immediate stop
CAUSE
Why does it occur?
External fault signal terminal activated
REMEDY · Step by step
How to fix it?
Eliminate fault cause at external fault terminal circuit
Do not reset repeatedly before identifying the cause. Repeated resets while ignoring a trip/alarm can cause secondary damage (IGBT failure, motor winding damage, etc.).
SOURCE
Related manual page
CALLBACK
Request an expert callback
A 12-year automation/SI engineer responds directly. Reply within 1–3 business days.
Quote / inquiry form →