Inovance A20 fault code meaning
Inovance / A20
Series: HD5X
Encoder alarm
AC drive
Meaning: The difference between the encoder feedback speed and the observed speed is too large.
Possible causes
- 1. Incorrect settings for parameter group F1.
- 2. Wiring error between the encoder and the PG card.
- 3. PG card error.
- 4. 24V and 15V switching power supply error.
- 5. Encoder error.
- 6. Main control board error.
Source: HD5X Series High-Voltage AC Drive User Manual P103