Danfoss VACON OPTEA User Manual

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12.2.33 Fault Code 20 - Safety System, S43 – SMS, Fault Number 4
Cause
An acknowledgment signal was received when the safety function was still requested and could not be acknowledged.
Troubleshooting
Deactivate the safety function request before acknowledging.
12.2.34 Fault Code 20 - Safety System, S44 – SSM, Fault Number 2
Cause
An acknowledgment signal was received when the safety function was still requested and could not be acknowledged.
Troubleshooting
Deactivate the safety function request before acknowledging.
12.2.35 Fault Code 20 - Safety System, S48 – Enc. Common, Fault Number 1, 13
Cause
An internal fault in the encoder interface board.
Troubleshooting
Reboot the AC drive.
If the fault reoccurs, contact the nearest distributor.
12.2.36 Fault Code 20 - Safety System, S48 – Enc. Common, Fault Number 4–8
Cause
A fault detected in the encoder signal monitoring.
There is excessive ripple in a signal channel.
A wrong phase shift between signals.
Troubleshooting
Check the encoder connections.
Check the encoder.
12.2.37 Fault Code 20 - Safety System, S48 – Enc. Common, Fault Number 9
Cause
Reference pulse from the encoder is missing or detected too often.
Troubleshooting
Check the encoder cabling.
Check the parameters.
12.2.38 Fault Code 20 - Safety System, S48 – Enc. Common, Fault Number 11
Cause
A parameterization fault in the encoder.
Troubleshooting
Check the parameters.
12.2.39 Fault Code 20 - Safety System, S48 – Enc. Common, Fault Number 12
Cause
The supported operating frequency of the encoder signals was exceeded.
Troubleshooting
See the technical data for the used encoder type or information on the maximum frequency.
AQ319736045637en-000101 / DPD01798156 | Danfoss A/S © 2021.06
Fault Tracing
VACON® NXP Advanced Safety Options
Operating Guide

Danfoss VACON OPTEA Specifications

General

Brand	Danfoss
Model	VACON OPTEA
Category	DC Drives
Language	English