478
YASKAWA
SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
Code
Name
Causes
Possible Solutions
The holding brake is stopping the motor.
Release the holding brake.
Note:
•
The drive detects this error if the difference between the detected speed and the speed reference is more than the setting of
F1-10
for longer than
F1-11
.
•
Do a Fault Reset to clear the fault.
•
If the drive detects this error, the drive will operate the motor as specified by the stopping method set in
F1-04 [Speed Deviation Detection Select]
.
Code
Name
Causes
Possible Solutions
DIFF
Differential Feedback Exceeded
The difference between the PID Feedback and
Differential Level Source [H3-xx = 2D]
is more than
the level set in
Y4-18 [Differential Level]
for the time
set in
Y4-19 [Differential Lvl Detection Time]
.
•
Replace the feedback transducer or transducers.
•
Make sure that the settings of
Y4-18 [Differential Level] to Y4-20
[Differential Level Detection Sel]
are correct.
Note:
Do a Fault Reset to clear the fault.
Code
Name
Causes
Possible Solutions
dv7
Polarity Judge Timeout
There is a disconnection in the motor coil winding.
Measure the motor line-to-line resistance and replace the motor if a
coil is disconnected.
The screws on the drive output terminals are loose.
Tighten the terminal screws to the correct tightening torque.
Note:
•
The drive detects this error if it cannot detect polarity in a pre-set length of time.
•
Do a Fault Reset to clear the fault.
Code
Name
Causes
Possible Solutions
EF0
Option Card External Fault
The communication option 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 External Fault (EF0) Select]
.
Code
Name
Causes
Possible Solutions
EF1
External Fault (Terminal S1)
MFDI terminal S1 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 S1.
External Fault [H1-01 = 20 to 2B]
is set to MFDI
terminal S1, 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 S2)
MFDI terminal S2 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 S2.
External Fault [H1-02 = 20 to 2B]
is set to MFDI
terminal S2, 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 S3)
MFDI terminal S3 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 S3.
External Fault [H1-03 = 20 to 2B]
is set to MFDI
terminal S3, but the terminal is not in use.
Correctly set the MFDI.
Note:
Do a Fault Reset to clear the fault.
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Страница 454: ...5 14 Z Bypass Parameters 454 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...
Страница 590: ...8 6 Storage Guidelines 590 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...
Страница 694: ...9 19 Defaults by Bypass and Drive Model 694 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...
Страница 768: ...10 6 MEMOBUS Modbus Communications 768 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...
Страница 780: ...11 3 European Standards 780 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...