STEP 1 fault code meaning

STEP / 1

Series: AS170NT

Module overcurrent

AC drive

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Series: AS180

Module overcurrent

AC drive

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Series: AS300

Module fault (IGBT short circuit)

AC drive

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Series: AS320, AS320SE

Module overcurrent

AC drive

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Series: AS450

Module overcurrent

AC drive

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Series: AS500, AS600N, ME500

Module overcurrent

AC drive

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Series: AS500E

Module overcurrent

AC drive

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Series: AS510

Module overcurrent

AC drive

Meaning:

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Series: AS620

Module overcurrent

AC drive

Meaning:

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Series: AS700

Unit hardware overcurrent

AC drive

Meaning:

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Series: AS720D

Module overcurrent

AC drive

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Series: AS720S

Module overcurrent

AC drive

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Series: C100

Input phase sequence error

AC drive

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Series: ES6

Module overcurrent

AC drive

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Series: iAStar-S3

Power module fault

elevator AC drive

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