YASKAWA CIPR-GA50C series Technical Manual page 248

7.4 Faults
Code Name
EF3 External Fault (Terminal S3)
Note:
Do a Fault Reset to clear the fault.
Code Name
EF4 External Fault (Terminal S4)
Note:
Do a Fault Reset to clear the fault.
Code Name
EF5 External Fault (Terminal S5)
Note:
Do a Fault Reset to clear the fault.
Code Name
EF6 External Fault (Terminal S6)
Note:
Do a Fault Reset to clear the fault.
Code Name
EF7 External Fault (Terminal S7)
Note:
Do a Fault Reset to clear the fault.
Code Name
Err EEPROM Write Error
Note:
Do a Fault Reset to clear the fault.
Code Name
FbH Excessive PID Feedback
248
Causes
MFDI terminal S3 caused an external fault through
an external device.
The wiring is incorrect.
External Fault [H1-03 = 20 to 2B] is set to MFDI
terminal S3, but the terminal is not in use.
Causes
MFDI terminal S4 caused an external fault through
an external device.
The wiring is incorrect.
External Fault [H1-04 = 20 to 2B] is set to MFDI
terminal S4, but the terminal is not in use.
Causes
MFDI terminal S5 caused an external fault through
an external device.
The wiring is incorrect.
External Fault [H1-05 = 20 to 2B] is set to MFDI
terminal S5, but the terminal is not in use.
Causes
MFDI terminal S6 caused an external fault through
an external device.
The wiring is incorrect.
External Fault [H1-06 = 20 to 2B] is set to MFDI
terminal S6, but the terminal is not in use.
Causes
MFDI terminal S7 caused an external fault through
an external device.
The wiring is incorrect.
External Fault [H1-07 = 20 to 2B] is set to MFDI
terminal S7, but the terminal is not in use.
Causes
There was a problem with the EEPROM hardware.
Electrical interference corrupted the data while it
was writing to the EEPROM of the drive.
Causes
The FbH detection level is set incorrectly.
There is a problem with the PID feedback wiring.
The feedback sensor is not operating correctly.
Possible Solutions
1. Find the device that caused the external fault and remove the
cause.
2. Clear the external fault input in the MFDI.
Correctly connect the signal line to MFDI terminal S3.
Correctly set the MFDI.
Possible Solutions
1. Find the device that caused the external fault and remove the
cause.
2. Clear the external fault input in the MFDI.
Correctly connect the signal line to MFDI terminal S4.
Correctly set the MFDI.
Possible Solutions
1. Find the device that caused the external fault and remove the
cause.
2. Clear the external fault input in the MFDI.
Correctly connect the signal line to MFDI terminal S5.
Correctly set the MFDI.
Possible Solutions
1. Find the device that caused the external fault and remove the
cause.
2. Clear the external fault input in the MFDI.
Correctly connect the signal line to MFDI terminal S6.
Correctly set the MFDI.
Possible Solutions
1. Find the device that caused the external fault and remove the
cause.
2. Clear the external fault input in the MFDI.
Correctly connect the signal line to MFDI terminal S7.
Correctly set the MFDI.
Possible Solutions
• Re-energize the drive.
• If the fault stays, replace the control board or the drive.
Contact Yaskawa or your nearest sales representative to
replace the board.
• Push ENTER Key.
• Set the parameters again.
Possible Solutions
Adjust b5-36 [PID High Feedback Detection Lvl] and b5-37 [PID
High Feedback Detection Time].
Correct errors with the PID control wiring.
Examine the sensors on the control device side.
YASKAWA SIEPC71061753A GA500 Technical Manual