F03505 Analog Input Wire Break fault in siemens drive

F03505 Analog Input Wire Break fault in siemens drive indicates that the current on the analog input (4-20mA) is below 2mA (or 4mA depending on setting). 

Cause:
- Broken wire from sensor. 
- Sensor failure. 

Remedy 
- Check continuity of the analog signal cable. 
- Check the sensor power supply.