Inovance E174.3 fault code meaning
Inovance / E174.3
Series: CP200, MD520HS-INT, MD520HS
AI1 input error protection
AC drive
Meaning:
Possible causes
Source: CP200 Series Integrated Air Compressor Unit User Manual P71; MD520HS-INT Series High-Speed AC Drive User Manual P130; MD520HS Series High-Speed AC Drive User Manual P132
Series: MD520
AI1 input error protection
AC drive
Meaning: This fault is reported when the voltage input at port AI1 is outside the range from the lower limit (F8-45) to the upper limit (F8-46). Note: This fault is disabled by default.
Possible causes
- AI1 input signal open.
- The AI1 input signal voltage or current is outside the set range from the lower limit (F8-45) to the upper limit (F8-46).
Source: MD520 Commissioning Manual - Chinese, p. 112