Danfoss VLT FC 102 Programming Manual page 752

Programming Guide | VLT® HVAC Drive FC 102
Warning 515, Sensor 4 Monitoring Warning 1
Cause
An increase in the Sensor 4 value is detected. The value levels in Sensor 4 have reached condition yellow.
Troubleshooting
Investigate the root cause for the increased values.
l
Alarm 516, Load Envelope Low Alarm
The application load has reached low-level condition red.
Troubleshooting
Investigate the root cause for the decrease in motor load and then check the load specified for the application.
l
Warning 516, Load Envelope Low Warning 1
The application load has reached low-level condition yellow.
Troubleshooting
Investigate the root cause for the decrease in motor load and then check the load specified for the application.
l
Warning 520, Stator Thld At Max/Min
Cause
The stator in the condition-based monitoring is either at its minimum or maximum limit.
Troubleshooting
Check the threshold values at maximum or minimum in parameter group 46-** CBM Adv Thresholds to parameter group 46-2* Stator
l
and adjust the values if needed.
Acknowledge the generation by setting parameter 45-46 Threshold Limit to [0] Limit OK.
l
Warning 521, Load Thld At Max/Min
Cause
The load threshold in the condition-based monitoring is either at its minimum or maximum.
Troubleshooting
Check the threshold values at maximum or minimum in parameter group 46-** CBM Adv Thresholds to parameter group 46-3* Load
l
and adjust the values if needed.
Acknowledge the generation by setting parameter 45-46 Threshold Limit to [0] Limit OK.
l
Warning 522, Sensor 1 Thld At Max/Min
Cause
The sensor 1 threshold in the condition-based monitoring is at its minimum or maximum value of the Sensor 1 function.
Troubleshooting
Check the threshold values at maximum or minimum in parameter group 46-** CBM Adv Thresholds to parameter group 46-4* Sensor 1
l
and adjust the values if needed.
Acknowledge the generation by setting parameter 45-46 Threshold Limit to [0] Limit OK.
l
752 | © 2024.10
Troubleshooting
AU430028034214en-001901 / 130R0310