Filter
Top Products
4 - 15
4. OPERATION AND DISPLAY
4.3.4 Alarm mode of drive unit
Name (Note) Display Description
@
Indicates no occurrence of an alarm in the drive unit.
Current alarm
@
Indicates the occurrence of overvoltage (A.33) in the drive unit.
Flickers at occurrence of the alarm.
@
Indicates that the last alarm is overload 1 (A.50) in the drive unit.
@
Indicates that the second alarm in the past is overvoltage (A.33) in the
drive unit.
@
Indicates that the third alarm in the past is undervoltage (A.52) in the
drive unit.
@
Indicates that the fourth alarm in the past is encoder error (A.20) in the
drive unit.
@
Indicates that there is no fifth alarm in the past in the drive unit.
Alarm history
@
Indicates that there is no sixth alarm in the past in the drive unit.
@
Indicates no occurrence of parameter error (A.37) in the drive unit.
Parameter error No.
@
Indicates that the data of parameter No. 1 is faulty in the drive unit.
Note. @ indicates the slot number.
Functions at occurrence of an alarm
(1) Any mode screen displays the current alarm.
(2) The other screen is visible during occurrence of an alarm. At this time, the decimal point in the fourth
digit flickers.
(3) For any alarm, remove its cause and clear it in any of the following methods: (for clearable alarms,
refer to Section 9.2)
(a) Switch power OFF, then ON.
(b) Turn on the reset (RES
).
(4) Use DRU parameter No. 16 to clear the alarm history.
(5) Pressing "SET" button on the alarm history display screen for 2s or longer shows the following detailed
information display screen. Note that this is provided for maintenance by the manufacturer.
@
(6) Press "UP" or "DOWN" button to move to the next history.