Other Faults; Drive Fault Notification - YASKAWA MECHATROLINK-II SI-T3 Technical Manual

9 Troubleshooting
Communication Phase
Phase 1
Phase 2
Phase 3
ALARM
96 MECHATROLINK-II communications fault warning
E5 MECHATROLINK-II WDT Error
E6 MECHATROLINK-II communications fault
Fault
Communications failure
Transmission cycle fault
Watchdog timer error
■

Other Faults

The following table shows other faults that can be detected by the SI-T3. If a warning occurs, operation will
follow the previous command.
ALARM
94 Data setting warning
95 Command warning
EC WDC fault with drive
Drive access permission fault (Access not possible 10 consecutive
ED
times)
EE Drive monitor timer over (1 s elapsed)
*1 If the ERR indicator is not lit or flashing, any commands that are received will be ignored.
◆

Drive Fault Notification

If a fault is detected in the drive, SI-T3 stores the alarm or warning code in the MECHATROLINK-II ALARM
command and simultaneously activates the relevant bit in the STATUS field.
Table 9.8 and Table 9.9
ALRM Code (Hex.)
00
02
03
04
06
07
08
09
0A
0B
38
Table 9.4 Reception Failures in Each Phase
Communications Failure
First
-
96
96
Table 9.5 Alarm Code (MECHATROLINK-II Response ALARM Value)
Description
Table 9.6 Fault Types
Transmission LSI detected a data reception failure.
A timing fault of a synchronous frame in a transmission cycle was detected.
A WDT count fault in a synchronous frame was detected.
Table 9.7 Other fault detected by SI-T3
Description
show the alarm codes for SI-T3 notification if a fault is detected in the drive.
Table 9.8 Drive Alarm Codes
Keypad Display
Safety Circuit Fault
SCF
Uv1 DC Bus Undervoltage
Uv2 Control Power Undervoltage
Uv3 Soft Charge Answerback Fault
GF Ground Fault
oC Overcurrent
ov Overvoltage
oH Heatsink Overheat
oH1 Heatsink Overheat
oL1 Motor Overload
Second (Consecutive)
-
E6
E6
Fault Type
Communications warning
Communications warning
Communications alarm
Communications alarm
Communications alarm
Note:
When using YASKAWA AC Drive 1000-Series, "SCF" (Safety Circuit Fault) will not be displayed.
YASKAWA SIEP C730600 86F MECHATROLINK-II Technical Manual
Transmission Cycle
Fault
E6
E6
Fault Type
Communications warning
Communications alarm
Communications alarm
Description
Operation when Fault Occurs
Received commands are ignored.
Received commands are ignored.
Waits for power supply to be reset.
Waits for power supply to be reset.
Waits for power supply to be reset.
Received commands are ignored.
Description
-
*1