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Fault codes – Emerson 400518-01 User Manual

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Safety Information

Product Overview

Installation

Diagnostics

Options and
Accessories

Specification

Fault Codes

A number of diagnostic and fault detection circuits are incorporated to protect the drive. Some faults, like high DC

bus and drive or motor over temperature, can be reset with the Reset button on the front of the drive or the Reset

input function. Other faults, such as encoder faults, can only be reset by cycling power “Off” (wait until the diagnostics

display turns “Off”), then power “On”.
The drive accurately tracks motor position during fault conditions. For example, if there is a "Low DC Bus" fault where

the power stage is disabled, the drive will continue to track the motor’s position provided the logic power is not

interrupted.

Summation

Summation mode operation.

RMS Foldback

Motor torque is limited to 80 percent.

Stall Foldback

Drive output current is limited to 80 percent of the

drive’s stall current.

Ready to Run

Drive enabled, no Stop input.

Homing

Home cycle is executing. Other motion

commands do not function.

Indexing

A Index is executing. Other motion commands do

not function.

Jogging

Jog function is executing. Other motion

commands do not function.

Stop or Travel Limit Decel

Stop or Travel Limit Decel is executing. No other

motion will function.

Gearing

Gear function is executing.

Display Indication

Status

Description