Specifications

Chapter 6 Setting up parameters
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[Monitor mode]
Alarm history (position / speed mode)
● Function
The “alarm history” indicates up to eight previous alarms
with codes.
● Details of display
1st digit: [d: alarm history]
2nd digit: The order of the indicated alarm:
[1] indicates the latest alarm, and [8]
indicates the earliest one.
3rd to 4th digit: No indication
5th to 6th digit: Indicates an alarm code.
Code Alarm description
10 Over speed
20 Over load
21 Overheat
30 Over current
41 Abnormal regeneration
50 Encoder failure
51 Abnormal encoder signal
52 UVW failure
53
*ABS system failure
54
*ABS MTD over flow
55
*ABS multi-turn data error
56
*ABS low battery voltage
57
*ABS send data rule error
60 Error counter overflow
70 Memory failure (RAM)
71 Memory failure (EEPROM)
76 CPU failure
Notice: the alarm codes 53rdrough 57 are valid
for absolute encoders only.
● Operations
(1) To indicate earlier alarm codes, press the [UP] key.
⇒Every pressing the [UP] key increases the alarm-order on the second digit, and indicates the
alarm code on the 5th to 6th digit corresponding to the alarm order. The alarm-order on the 2nd digit
is limited to [8]. Pressing the [UP] key more is neglected.
(2) To indicate later alarm codes, press the [DOWN] key.
⇒Every pressing the [DOWN] key decreases the alarm-order on the second digit, and indicates the
alarm code on the 5th to 6th digit corresponding to the alarm order. The alarm-order on the 2nd digit
is limited to [1]. Pressing the [DOWN] key more is ignored or disregarded.
D O W N U P A D J S E T
Alarm history
UP: to earlier alarm
DOWN: to later alarm
Alarm order:
ordered later alarm
to earlier.
[Alarm code]
1st digit 6th digit