Contactor fault
Olası Nedenler
- Drive board and power supply exception
- Contactor exception
- Surge protector exception
Çözüm
- Replace drive board or power supply board
- Replace contactor
- Replace surge protector
Current detection fault
Olası Nedenler
- Hall component exception
- AC drive stopped while synchronous motor rotating at high speed
- Drive board exception
Çözüm
- Replace hall component
- Disable zero drift detection by setting bit07 of BF-07
- Replace drive board
Auto-tuning timeout
Olası Nedenler
- Motor parameter setting exception or AC drive model setting exception
Çözüm
- Set motor and AC drive parameters correctly
Auto-tuning interruption
Olası Nedenler
- Auto-tuning interrupted by stop command
Çözüm
- Wait until auto-tuning completed; motor stops automatically
Overcurrent during auto-tuning
Olası Nedenler
- Current out-of-control during auto-tuning
Çözüm
- Set motor parameters and AC drive model correctly
- Contact technical support
Auto-tuning back EMF exception
Olası Nedenler
- Basic motor parameter setting error
- Oscillation suppression failure
Çözüm
- Set motor nameplate parameters and AC drive model correctly
- Adjust oscillation suppression parameter
Motor type setting error
No-load current auto-tuning error
Olası Nedenler
- No-load current out-of-range during motor auto-tuning
Çözüm
- Set motor nameplate parameters and AC drive model correctly
Overcurrent during acceleration
Olası Nedenler
- Grounded or short-circuited output circuit
- Auto-tuning not performed in SVC/FVC mode
- Excessively short acceleration time
Çözüm
- Check motor and relay contactor for short circuit
- Set motor parameters per nameplate and perform auto-tuning
- Increase acceleration time (F0-17)
Encoder hardware wire breakage
Olası Nedenler
- Encoder hardware feedback signal exception
Çözüm
- Check correct PG card selected
- Check wiring
- Check encoder
Encoder PPR error
Olası Nedenler
- Inconsistency between encoder feedback speed and actual motor speed
Çözüm
- Check ABZ encoder PPR or number of pole pairs of resolver
No encoder feedback
Olası Nedenler
- No encoder feedback speed
Çözüm
- Check correct PG card selected
- Check wiring
- Check encoder
Encoder direction fault
Olası Nedenler
- Encoder direction opposite to motor rotation direction
Çözüm
- Set F1-30 to switch encoder direction
Large encoder feedback speed fluctuation
Olası Nedenler
- Sudden change of encoder feedback speed
Çözüm
- Check correct PG card
- Check wiring
- Check encoder
ABZ encoder Z signal loss
Olası Nedenler
- ABZ encoder Z signal loss
Çözüm
- Reported only during self-check when synchronous motor uses ABZ encoder in FVC mode
Encoder pulse interference
Olası Nedenler
- Encoder feedback speed fluctuation exception
Çözüm
- Reported only during self-check of encoder
EEPROM read-write fault
Olası Nedenler
- EEPROM read-write exception
Çözüm
- For parameters written through communication check RAM addresses and address mapping
- If EEPROM chip damaged contact manufacturer to replace main control board
EEPROM read-write fault
Olası Nedenler
- EEPROM read-write exception
Çözüm
- For parameters written through communication check RAM addresses and address mapping
- If EEPROM chip damaged contact manufacturer to replace main control board
EEPROM read-write fault
Olası Nedenler
- EEPROM read-write exception
Çözüm
- For parameters written through communication check RAM addresses
- If EEPROM chip damaged contact manufacturer
EEPROM read-write fault
Olası Nedenler
- EEPROM read-write exception
Çözüm
- For parameters written through communication check RAM addresses
- If EEPROM chip damaged contact manufacturer