Inovance 9-2 fault code meaning
Inovance / 9-2
Series: MD580
Undervoltage fault
AC drive
Meaning: Fault category: DC undervoltage; Default level: Coast to stop; Reset method: Manual reset
Possible causes
- Input voltage remains too low for too long
- Load inertia is too small and is insufficient to maintain the DC bus voltage
Source: Inovance Official Function Manual 19011555 A00 P449
Series: MD580S, MD880
Undervoltage fault
AC drive
Meaning:
Possible causes
- Input voltage remains too low for too long
- The wiring for input RST is open or the connection is unreliable.
- Load inertia is too small and is insufficient to maintain the DC bus voltage
Source: MD580S Series Low-Voltage High-Performance Engineering AC Drive Function Manual P418; MD880 Series AC Drive Function Manual (HCU) P602