Inovance E187.7 fault code meaning
Inovance / E187.7
Series: MD520
Reference point loss
AC drive
Meaning: When the system passes through the range defined by the reference point position ± the deviation threshold B4-34, it checks whether the reference point signal has been valid. If it has not been valid, 1 reference point loss occurrence(s) are counted. When the consecutive reference point loss count >= the loss judgment threshold B4-33, reference point loss is detected and warning A187.7 is displayed.
Possible causes
- Persistent loss of reference point position.
Source: MD520 Commissioning Manual - Chinese, p. 114
Series: MD520HS-INT, MD520HS
Reference point loss
AC drive
Meaning:
Possible causes
Source: MD520HS-INT Series High-Speed AC Drive User Manual P132; MD520HS Series High-Speed AC Drive User Manual P134