7.5 Minor Faults/Alarms
240 SIEPCYEUOQ2V01A Q2V Technical Manual
Code Name Causes Possible Solutions
CyC
MECHATROLINK
CommCycleSettingErr
The communications cycle setting of the controller
is not in the permitted range of the
MECHATROLINK interface option.
Set the communications cycle of the controller in the permitted
range of the MECHATROLINK interface option.
Note:
If the drive detects this error, the terminal set to H2-01 to H2-03 = 4 [MFDO Function Selection = Alarm] will activate.
Code Name Causes Possible Solutions
CyPo Cycle Power to Accept Changes
Although F6-15 = 1 [Comm. Option Parameters
Reload = Reload Now], the drive does not update
the communication option parameters.
Re-energize the drive to update the communication option
parameters.
Code Name Causes Possible Solutions
dEv Speed Deviation
The load is too large. Decrease the load.
The acceleration/deceleration times are too short. Increase the values set in C1-01 to C1-08 [Acceleration/
Deceleration Times].
The dEv detection level settings are incorrect. Adjust F1-10 [Speed Dev Level] and F1-11 [Speed Dev Delay
Time].
The load is locked up. Examine the machine.
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.
• If the drive detects this error, the terminal set to H2-01 to H2-03 = 4 [MFDO Function Select = Alarm] will activate.
• If the drive detects this error, it will operate the motor as specified by the stopping method set in F1-04 [Speed Dev Detection Select].
Code Name Causes Possible Solutions
dnE Drive Disabled
A terminal set for H1-xx = 1A [Drive Enable]
turned OFF.
Examine the operation sequence.
Note:
If the drive detects this error, the terminal set to H2-01 to H2-03 = 4 [MFDO Function Select = Alarm] will activate.
Code Name Causes Possible Solutions
qAL2 Q2pack Alarm 2
There was an error in the Q2pack program. Examine the Q2pack program and remove the cause of the fault.
This is not a drive fault.
Note:
If the drive detects this error, the terminal set to H2-01 to H2-03 = 4 [MFDO Function Select = Alarm] will activate.
Code Name Causes Possible Solutions
qAL3 Q2pack Alarm 3
There was an error in the Q2pack program. Examine the Q2pack program and remove the cause of the fault.
This is not a drive fault.
Note:
If the drive detects this error, the terminal set to H2-01 to H2-03 = 4 [MFDO Function Select = Alarm] will activate.
Code Name Causes Possible Solutions
qAL1 Q2pack Alarm
There was an error in the Q2pack program. Examine the Q2pack program and remove the cause of the fault.
This is not a drive fault.
Note:
If the drive detects this error, the terminal set to H2-01 to H2-03 = 4 [MFDO Function Select = Alarm] will activate.
Code Name Causes Possible Solutions
E5
MECHATROLINK Watchdog
Timer Err
The drive detected a watchdog circuit exception
while it received data from the controller.
Examine the MECHATROLINK cable connection. If this error
occurs frequently, examine the wiring and decrease the effects of
electrical interference as specified by these manuals:
• MECHATROLINK-II Installation Guide (MECHATROLINK
Members Association, manual number MMATDEP011)
• MECHATROLINK-III Installation Manual
(MECHATROLINK Members Association, publication
number MMATDEP018)
Note:
• If the drive detects this error, the terminal set to H2-01 to H2-03 = 4 [MFDO Function Select = Alarm] will activate.
• If the drive detects this error, it will operate the motor as specified by the stopping method set in F6-25 [MLII Watchdog Error Sel].
Code Name Causes Possible Solutions
EF
FWD/REV Run Command Input
Error
A forward command and a reverse command were
input at the same time for longer than 0.5 s.
Examine the forward and reverse command sequence and correct
the problem.
Note:
• If the drive detects EF, the motor will ramp to stop.
• If the drive detects this error, the terminal assigned to H2-01 to H2-03 = 4 [MFDO Function Select = Alarm] will be ON.
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