Omron Q2A Series Technical Manual

7.4 Faults
258 SIEPYEUOQ2A01A AC Drive Q2A Technical Manual
Code Name Causes Possible Solutions
EF0 Option Card External Fault
The communication option card received an
external fault from the controller.
1. Find the device that caused the external fault and remove the
cause.
2. Clear the external fault input from the controller.
A programming error occurred on the controller
side.
Examine the operation of the controller program.
Note:
• The drive detects this fault if the alarm function on the external device side is operating.
• Do a Fault Reset to clear the fault.
• If the drive detects this fault, it will operate the motor as specified by the stop method set in F6-03 [Comm Ext Flt Select (EF0)].
Code Name Causes Possible Solutions
EF1 External Fault (Terminal DI1)
MFDI terminal DI1 caused an external fault through
an external device.
1. Find the device that caused the external fault and remove the
cause.
2. Clear the external fault input in the MFDI.
The wiring is incorrect. Correctly connect the signal line to MFDI terminal DI1.
External Fault [H1-01 = 20 to 2B] is set to MFDI
terminal DI1, but the terminal is not in use.
Correctly set the MFDI.
Note:
Do a Fault Reset to clear the fault.
Code Name Causes Possible Solutions
EF2 External Fault (Terminal DI2)
MFDI terminal DI2 caused an external fault through
an external device.
1. Find the device that caused the external fault and remove the
cause.
2. Clear the external fault input in the MFDI.
The wiring is incorrect. Correctly connect the signal line to MFDI terminal DI2.
External Fault [H1-02 = 20 to 2B] is set to MFDI
terminal DI2, but the terminal is not in use.
Correctly set the MFDI.
Note:
Do a Fault Reset to clear the fault.
Code Name Causes Possible Solutions
EF3 External Fault (Terminal DI3)
MFDI terminal DI3 caused an external fault through
an external device.
1. Find the device that caused the external fault and remove the
cause.
2. Clear the external fault input in the MFDI.
The wiring is incorrect. Correctly connect the signal line to MFDI terminal DI3.
External Fault [H1-03 = 20 to 2B] is set to MFDI
terminal DI3, but the terminal is not in use.
Correctly set the MFDI.
Note:
Do a Fault Reset to clear the fault.
Code Name Causes Possible Solutions
EF4 External Fault (Terminal DI4)
MFDI terminal DI4 caused an external fault through
an external device.
1. Find the device that caused the external fault and remove the
cause.
2. Clear the external fault input in the MFDI.
The wiring is incorrect. Correctly connect the signal line to MFDI terminal DI4.
External Fault [H1-04 = 20 to 2B] is set to MFDI
terminal DI4, but the terminal is not in use.
Correctly set the MFDI.
Note:
Do a Fault Reset to clear the fault.
Code Name Causes Possible Solutions
EF5 External Fault (Terminal DI5)
MFDI terminal DI5 caused an external fault through
an external device.
1. Find the device that caused the external fault and remove the
cause.
2. Clear the external fault input in the MFDI.
The wiring is incorrect. Correctly connect the signal line to MFDI terminal DI5.
External Fault [H1-05 = 20 to 2B] is set to MFDI
terminal DI5, but the terminal is not in use.
Correctly set the MFDI.
Note:
Do a Fault Reset to clear the fault.
Code Name Causes Possible Solutions
EF6 External Fault (Terminal DI6)
MFDI terminal DI6 caused an external fault through
an external device.
1. Find the device that caused the external fault and remove the
cause.
2. Clear the external fault input in the MFDI.
The wiring is incorrect. Correctly connect the signal line to MFDI terminal DI6.
External Fault [H1-06 = 20 to 2B] is set to MFDI
terminal DI6, but the terminal is not in use.
Correctly set the MFDI.
Note:
Do a Fault Reset to clear the fault.

Omron Q2A Series Specifications

General

Brand	Omron
Model	Q2A Series
Category	Controller
Language	English