PTC thermistor operation
PTC Thermistor Operation
Mitsubishi Electric · FR-D700 Basic Inverter
What does PTC thermistor operation mean?
The resistance of the PTC thermistor, connected between terminals 2 and 10, has exceeded the set protection level (Pr. 561). This signifies that the monitored motor or component is overheating. Continuing operation under this condition poses a high risk of severe motor damage.
Complete Troubleshooting Guide
- 1
Reduce the load on the system or motor to allow it to cool down.