Inovance 20-8 fault code meaning
Inovance / 20-8
Series: MD580
Communication handshake timeout between the encoder card and the main control board
AC drive
Meaning: Fault category: Encoder error; Default level: Coast to stop; Reset method: Manual reset
Possible causes
- Unreliable wiring between the encoder card and control board 2. Encoder card error 3. Encoder card is not reliably grounded 4. Mismatch between the current encoder card selection and the actual encoder card 5. Other causes
Source: Inovance Official Function Manual 19011555 A00 P453
Series: MD580S
Communication handshake timeout between the encoder card and the main control board
AC drive
Meaning:
Possible causes
- Unreliable wiring between the encoder module and the control board.
- Encoder module error.
- The encoder module is not reliably grounded.
- The current encoder module selection does not match the actual module.
- Other causes
Source: MD580S Series Low-Voltage High-Performance Industrial AC Drive Function Manual P427
Series: MD880
Z signal interference fault
AC drive
Meaning:
Possible causes
- 1.During closed-loop control of a synchronous motor with a ABZ or sine/cosine encoder, the 2 signal is subject to interference. 2.The motor vibrates near the Z signal.
Source: MD880 Series AC Drive Function Manual (HCU) P611