STEP 9 fault code meaning

STEP / 9

Series: AS170NT, AS180, AS320, AS320SE, AS500, AS500E, AS500S, AS600N, AS620, AS720S, AS-M210, ES6, ET6/EP6/EH6, ME500

DC bus undervoltage

AC drive

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Series: AS300

DC bus undervoltage

AC drive

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Series: AS450

DC bus undervoltage

AC drive

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Series: AS510

DC bus undervoltage

AC drive

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Series: AS700

DC bus undervoltage

AC drive

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Series: AS720D

DC bus undervoltage

AC drive

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Series: C100

Trolley forward limit fault

AC drive

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Series: PD110

DC bus undervoltage

AC drive

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Series: SD380

Hardware overcurrent

door controller

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Series: iAStar-S3

Undervoltage

elevator AC drive

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