Inovance E174.4 fault code meaning
Inovance / E174.4
Series: CP200, MD520HS-INT, MD520HS
AI2 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
AI2 input error protection
AC drive
Meaning: This fault is reported when the voltage input at port AI2 is outside the range from the lower limit (A6-52) to the upper limit (A6-51). Note: This fault is disabled by default.
Possible causes
- AI2 input signal open.
- AI2 input signal voltage or current is outside the setting range from (A6-52) to the upper limit (A6-51).
Source: MD520 Commissioning Manual - Chinese, p. 112