NSK M-EGA-15A2301, User Manual

Page: 215 / 237

8.Maintenance Trouble shooting when alarm activated
8-25
■
Alarm Code E7 (Motor Parameter Error)
Status at the time of alarm
Cause
1 2
Issued when control power supply is turned ON.
✔ ✔
◆
Corrective actions
Cause Investigation and corrective actions
1
■
Correct value not read by CPU by
EEPROM built-in driver.
■
If control power supply is re-switched on
and alarm recurs after re-setting a motor
parameter, replace the driver.
2
■
Failed to write into the EEPROM
when changing motor parameter.
■
If power supply is re-switched on and
alarm recurs after re-setting a motor
parameter, replace the driver.
■
Alarm Code EE (Motor Parameter Automatic Setting Error 1)
Status at the time of alarm
Cause
1
Issued after motor parameter automatic setting functional execution.
✔
◆
Corrective actions
Cause Investigation and corrective actions
1
■
Defect in internal circuit of converter.
■
Replace the converter.
■
Alarm Code EF (Motor Parameter Automatic Setting Error 2)
Status at the time of alarm
Cause
1 2
Issued after motor parameter automatic setting functional execution.
✔ ✔
◆
Corrective actions
Cause Investigation and corrective actions
1
■
Motor, driver, and converter are not
combined properly.
■
Check the model numbers of driver,
motor, and converter, and correct the
combination.
■
Check if the combination of versions of
the driver is correct.
2
■
Defect in internal circuit of converter.
■
Replace the converter.
■
Alarm Code F1 (Task Process Error)
Status at the time of alarm
Cause
1
Issued during operation.
✔
◆
Corrective actions
Cause Investigation and corrective actions
1
■
Defect in internal circuit of driver.
■
Replace the driver.