YASKAWA GA500 Maintenance & Troubleshooting page 44

2.4 Fault
Code Name
EF1 External Fault (Terminal S1)
Note:
Do a Fault Reset to clear the fault.
Code Name
EF2 External Fault (Terminal S2)
Note:
Do a Fault Reset to clear the fault.
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.
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Causes
MFDI terminal S1 caused an external fault through an
external device.
The wiring is incorrect.
External Fault [H1-01 = 20 to 2B] is set to MFDI
terminal S1, but the terminal is not in use.
Causes
MFDI terminal S2 caused an external fault through an
external device.
The wiring is incorrect.
External Fault [H1-02 = 20 to 2B] is set to MFDI
terminal S2, but the terminal is not in use.
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.
YASKAWA TOEPYAIGA5001A GA500 DRIVE MAINTENANCE & TROUBLESHOOTING
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 S1.
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 S2.
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 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.