Danfoss Drives
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Jan 18, 2024 5:34 am
Warning /Alarm 70 in Danfoss VLT FC301/ FC302 : PTC 1 Safe Stop - comes when the motor is too warm, the VLT® PTC Thermistor Card MCB 112 activated the Safe Torque Off (STO).
Once the motor temperature reaches an acceptable level and the digital input from MCB 112 is deactivated, perform 1 of the
following:
1. Send a reset signal via bus or digital I/O.
2. Press [Reset].
