Inovance 9-3 fault code meaning
Inovance / 9-3
Series: MD580
Pre-drive timeout
AC drive
Meaning: Fault category: DC undervoltage; Default level: Coast to stop; Reset method: Manual reset
Possible causes
- Low DC bus voltage
- Improper DC bus undervoltage threshold setting
- Incorrect drive voltage class selection
- Incorrect drive model setting
- Improper undervoltage suppression parameter settings
- The drive is started before DC bus soft-charge is complete
Source: Inovance Official Function Manual 19011555 A00 P449
Series: MD580S
Pre-drive timeout
AC drive
Meaning:
Possible causes
- Low DC bus voltage
- Improper DC bus undervoltage threshold setting
- Incorrect drive voltage class selection
- Incorrect drive model setting
- Improper undervoltage suppression parameter settings
- The drive is started before DC bus soft-charge is complete
- The DC bus input contactor is controlled by the drive, and rectifier control enable (A6-00) is disabled or A6-01 is set too short.
- DC bus voltage correction factor setting is inappropriate
- Soft-charge resistor, driver board, or control board error
- DC bus voltage display error
Source: MD580S Series Low-Voltage High-Performance Engineering AC Drive Function Manual P418