Danfoss VLT MCD 600 User Manual

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Troubleshooting
Check the following parameters:
Parameter 30-1 Pressure Sensor Type.
Parameter 36-1 Pressure Sensor.
11.2.42 Rating Capacity
Cause
The soft starter is operating beyond its safe capacity.
Troubleshooting
Allow the soft starter to cool.
There are no parameters related to this trip message.
11.2.43 RTD Circuit
Cause
The smart card has detected a fault with the RTD sensor, or the RTD has activated temperature protection.
Troubleshooting
Check the following parameters:
Parameter 35-2 Temperature Trip Level.
Parameter 36-10 RTD/PT100 B.
11.2.44 SCR Itsm
Cause
The SCR current surge rating has been exceeded.
There are no parameters related to this trip message.
11.2.45 SCR Overtemperature
Cause
The temperature of the SCRs, calculated by the thermal model, is too high to allow further operation.
Troubleshooting
Wait for the soft starter to cool.
There are no parameters related to this trip message.
11.2.46 Starter Communication
Cause
There is a problem with the connection between the soft starter and the optional communications module.
Troubleshooting
Remove and reinstall the card. If the problem persists, contact the local distributor.
There are no parameters related to this trip message.
11.2.47 Starts per Hour
Cause
The soft starter has already attempted the maximum number of starts in the last 60 minutes.
Troubleshooting
Wait before attempting another start.
To determine when the waiting period ends, review the log.
See also Parameter 5-17 Starts per Hour.
AQ262141844215en-000401 / 175R1174 | 127Danfoss A/S © 2020.12
Troubleshooting
VLT® Soft Starter MCD 600
Operating Guide

Danfoss VLT MCD 600 Specifications

General

Brand	Danfoss
Model	VLT MCD 600
Category	Controller
Language	English