Hız Sapması Fazla (Vektör)
Olası Nedenler
- Kapalı çevrim vektör kontrol hız sapması
Çözüm
- Encoder bağlantısını kontrol et, kazanç ayarlarını optimize et
Hardware overcurrent
Olası Nedenler
- Output grounding
- Inter-phase short-circuit
- No parameter auto-tuning in vector control mode
Çözüm
- Check for output ground points and measure ground impedance by segment using a megohmmeter
- Check whether output side is short circuited
- Set motor parameters correctly and perform auto-tuning again
Software overcurrent
Olası Nedenler
- Output grounding
- Inter-phase short-circuit
- No parameter auto-tuning in vector control mode
Çözüm
- Check for output short-to-ground
- Check output side for short circuit
- Set motor parameters correctly and perform auto-tuning
Bus overvoltage
Olası Nedenler
- Output grounding
- Encoder interference/wire breakage
- Power generation during motor deceleration
Çözüm
- Check output side for short circuit
- Check encoder cable connection and grounding
- Enable overvoltage suppression or connect braking resistor
Frequent pre-charge
Olası Nedenler
- Pre-charge circuit exception (action of pre-charge contactor heard frequently)
Çözüm
- Contact after-sales service; frequent pre-charge can cause overload of pre-charge circuit
Undervoltage
Olası Nedenler
- Instantaneous power failure
- AC drive input voltage out of range
- Input phase loss and large output power
Çözüm
- Enable overvoltage suppression; set F9-59 or bit0 of AB-25
- Adjust input voltage to normal range
- Make sure input grid is normal
Pre-charge fault
Olası Nedenler
- Failure to power on the bus long after motor started in undervoltage state
Çözüm
- Start motor after bus becomes stable after power-on
AC drive overload
Olası Nedenler
- Excessive load or locked-rotor
- High carrier frequency
- Low bus voltage during high speed running with heavy load
Çözüm
- Reduce load; check motor and mechanical conditions
- Decrease carrier frequency
- Increase input voltage; enable overmodulation function
AC drive pre-overload
Olası Nedenler
- AC drive overload ratio reaching 80%
Çözüm
- Same as E010.1
- Change pre-overload response level by setting parameters in group H1
Motor overload
Olası Nedenler
- Inappropriate F9-01 (motor overload protection) setting
- Inadequate power rating of motor
- Brake error
Çözüm
- Set F9-01 correctly
- Select appropriate motor
- Check that brake can be opened properly
Motor pre-overload
Olası Nedenler
- Motor overload ratio reaching value of F9-02
Çözüm
- Same as E011.1
- Change motor pre-overload coefficient (F9-02)
Input phase loss
Olası Nedenler
- Three-phase input power phase loss
- Three-phase grid imbalance
- Drive board surge protector main control board or rectifier bridge exception
Çözüm
- Check power input is normal
- Ensure input grid is symmetrical
- Contact technical support
Output phase loss
Çözüm
- Check whether open circuit occurs on motor
Output phase loss
Olası Nedenler
- Exception of cable connecting AC drive and motor
Output phase loss
Olası Nedenler
- Unbalanced three-phase output during motor running
Çözüm
- Check motor three-phase winding; eliminate fault if abnormal
Output phase loss
Olası Nedenler
- Drive board or IGBT exception
Çözüm
- Contact technical support
IGBT overheat
Olası Nedenler
- Over-high ambient temperature
- Air filter blocked
- Fan damage
Çözüm
- Reduce ambient temperature
- Clean air filter
- Replace fan
Module pre-overtemperature
Olası Nedenler
- Module temperature exceeding pre-overtemperature threshold
Çözüm
- Same as E014.1
- Change exception response level by setting parameters in group H1
External device fault (NO)
Olası Nedenler
- External fault input through multi-function DI terminal (normally open)
Çözüm
- Eliminate external fault; ensure mechanical condition allows restart (F8-18); reset operation
External device fault (NC)
Olası Nedenler
- External fault input through multi-function DI terminal (normally closed)
Çözüm
- Eliminate external fault; ensure mechanical condition allows restart (F8-18); reset operation