Danfoss Drives
1
Posts
1
Users
0
Reactions
289
Views
Jan 17, 2024 8:03 am
Warning /Alarm 11 in VLT Micro Drive FC301/ FC302 : Motor thermistor overtemperature - comes when the motor thermistor indicates that the motor temperature is too high.
- Check for motor overheating.
- Check that the thermistor is securely connected.
- Check whether the motor is mechanically overloaded.
- When using terminal 53 or 54:
- Check that the thermistor is connected correctly between either terminal 53 or 54 (analog voltage input) and terminal 50(+10 V supply).
- Check that the terminal switch for 53 and 54 is set for voltage.
- Check that parameter 1-93 Thermistor Resource selects 53 or 54.
- When using terminal 18, 19, 31, 32, or 33 (digital inputs):
- Check that the thermistor is connected correctly between the digital input terminal used (digital input PNP only) and terminal 50.
- Select the terminal to use in parameter 1-93 Thermistor Resource.