In this article we are going to discuss about siemens v20 vfd drive fault Cause and Remedy for this fault codes ( F41, F51 , F52 , F60 , F61 , F62 , F63 , F64 , F71 , F72 )
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| Fault Vfd Drive |
F41 - FAULT:
Motor data identification failure
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| Motor |
CAUSE :
- Motor data identification failed.
- r0949 = 0: No load applied
- r0949 = 1: Current limit level
- reached during identification.
- r0949 = 2: Identified stator resistance less than 0.1% or greaterthan 100%.
- r0949 = 30: Current controller at voltage limit
- r0949 = 40: Inconsistency of identified dataset, at least one identificationfailed
- Percentage values based on the impedance Zb = Vmot,nom / sqrt(3) / Imot,nom
REMEDY :
- r0949 = 0: is the motor connected to the inverter?
- r0949 = 1 - 49: are the motor data in P0304 - P0311 correct?
- Check what type of motor wiring is required (star, delta).
F51 - FAULT:
Parameter EEPROM fault
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| EEPROM |
CAUSE :
- Read or write failure while access to EEPROM.
- The EEPROM being full, too many parameters have been changed.
- This can also be caused by
REMEDY :
- Must be power-cycled to cancel this bug as some parameters may not be read correct.
- Factory reset and new parameterization, if power- cycle does not remove fault.
- Change some parameters back to default values if the EEPROM is full, then power-cycle.
- Change inverter.
Note:
- r0949 = 1: EEPROM full
- r0949 = 2000 + block No: reading data block timeout
- r0949 = 3000 + block No: reading data block CRC failed
- r0949 = 4000 + block No: writing data block failed
- r0949 = 5000 + block No: writing data block timeout
- r0949 = 6000 + block No: writing data block verify failed
- r0949 = 7000 + block No: reading data block at wrong time
- r0949 = 8000 + block No: writing data block at wrong time
- r0949 = 9000 + block No: factory reset did not work because restart or power failure
F52 - FAULT:
Inverter software fault
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| Inverter software fault |
CAUSE :
Read failure for inverter information or invalid data.
REMEDY :
Note:
- r0949 = 1: Failed reading inverter identity
- r0949 = 2: Inverter identity wrong
- r0949 = 3: Failed reading inverter version
- r0949 = 4: Inverter version wrong
- r0949 = 5: Start of Part 1 inverter data wrong
- r0949 = 6: Inverter number of temperature sensor wrong
- r0949 = 7: Inverter number of application wrong
- r0949 = 8: Start of Part 3 inverter data wrong
- r0949 = 9: Reading inverter data string wrong
- r0949 = 10: Inverter CRC failed
- r0949 = 11: Inverter is blank
- r0949 = 15: Failed CRC of inverter block 0
- r0949 = 16: Failed CRC of inverter block 1
- r0949 = 17: Failed CRC of inverter block 2
- r0949 = 20: Inverter invalid
- r0949 = 30: Directory size wrong
- r0949 = 31: Directory ID wrong
- r0949 = 32: Invalid block
- r0949 = 33: File size wrong
- r0949 = 34: Data section size wrong
- r0949 = 35: Block section size wrong
- r0949 = 36: RAM size exceeded
- r0949 = 37: Parameter size wrong
- r0949 = 38: Device header wrong
- r0949 = 39: Invalid file pointer
- r0949 = 40: Scaling block version wrong
- r0949 = 41: Calibration block version wrong
- r0949 = 50: Wrong serial number format
- r0949 = 51: Wrong serial number format start
- r0949 = 52: Wrong serial number format end
- r0949 = 53: Wrong serial number format month
- r0949 = 54: Wrong serial number format day
- r0949 = 1000 + addr: Inverter read data failed
- r0949 = 2000 + addr: Inverter write data failed
- r0949 = 3000 + addr: Inverter read data wrong time
- r0949 = 4000 + addr: Inverter write data wrong time
- r0949 = 5000 + addr: Inverter read data invalid
- r0949 = 6000 + addr: Inverter write data invalid
- Power-cycle inverter
- Contact service department or change inverter
F60 - FAULT:
Asic timeout
CAUSE :
Internal communications failure.
REMEDY :
- Check inverter.
- Fault appears sporadically:
- r0949 = 0: Hardware reported link fail
- r0949 = 1: Software reported link fail
- r0949 = 6: Feedback is not disabled for reading inverter data
- r0949 = 7: During inverter download, message didn't transmit to disable feedback
- Communication failure due to EMC problems
- Check - and if necessary - improve EMC
- Use EMC filter
F61 - FAULT:
MMC/SD card parameter cloning failed
 |
MMC/SD card |
CAUSE :
Parameter cloning failed.
- r0949 = 0: MMC/SD card not connected or incorrect card type or the card failed to initialize for automatic cloning
- r0949 = 1: Inverter data cannot write to the card.
- r0949 = 2: Parameter cloning file not available
- r0949 = 3: The MMC/SD card cannot read the file
- r0949 = 4: Reading data from the clone file failed (e.g., reading failed, data or checksum wrong)
REMEDY :
- r0949 = 0: Use an MMC/SD card with FAT16 or FAT32 format , or fit an MMC/SD card to the inverter.
- r0949 = 1: Check the MMC/SD card (e.g., is the card memory full?) - format the card again to FAT16 or FAT32.
- r0949 = 2: Put the correct named file in the correct directory /USER/SINAMICS/DATA.
- r0949 = 3: Make sure file is accessible - recreate file if possible.
- r0949 = 4: File has been changed -recreate file.
F62 - FAULT:
Parameter cloning contents invalid
 |
| Parameter cloning contents invalid |
CAUSE :
File exists but the contents are not valid control word corruption.
REMEDY :
Recopy and ensure operation completes.
F63 - FAULT:
Parameter cloning contents incompatible.
CAUSE :
File exists but was not the correct inverter type.
REMEDY :
Ensure clone from compatible inverter type.
F64 - FAULT:
Inverter attempted to do an automatic clone during startup
CAUSE :
No Clone00.bin file in the correct directory /USER/SINAMICS/DATA.
REMEDY :
If an automatic clone is required:
- Insert the MMC/SD card with correct file and power-cycle.
If no automatic clone is required:
- Remove the card if not needed and power cycle.
- Reset P-8458 = 0 and power-cycle.
Note:
- Fault can only be cleared by a power-cycle.
F71 - FAULT:
USS setpoint fault
CAUSE :
No setpoint values from USS during telegram off time.
REMEDY :
Check USS master
F72 - FAULT:
USS/MODBUS setpoint fault
CAUSE :
No setpoint values from USS/MODBUS during telegram off time.
REMEDY :
Check USS/MODBUS master
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