Chapter 8 Troubleshooting
290
8.3.2 Alarm Code for Each Axis
[1] Simple Alarm Code
Simple alarm codes are read into the complete position register (PM8 to PM1) in Position 1/
Simple Direct Modes when an alarm is generated.
{
: ON z : OFF
*ALM
ALM8
(PM8)
ALM4
(PM4)
ALM2
(PM2)
ALM1
(PM1)
Binary
Code
Description: Alarm code is shown in ( ).
{ z z z z
– Normal
z z z { z
2
Software reset during servo ON (090)
Position number error during teaching (091)
PWRT signal detected during movement (092)
PWRT signal detected before completion of home
return (093)
z z z { {
3
Move command during servo OFF (080)
Position Command in Incomplete Home Return
(082)
Absolute position move command when home
return is not yet completed (083)
Movement Command during Home Return
Operation (084)
Position No. error during movement (085)
Position Command Data Error (0A3)
Command Deceleration Error (0A7)
z z { z z
4 Mismatched PCB (0F4)
z z { { z
6
Parameter data error (0A1)
Position data error (0A2)
Unsupported motor/encoder type (0A8)
z z { { {
7
Z-Phase Position Error (0B5)
Home sensor non-detection (0BA)
Home return timeout (0BE)
Creep sensor not detected (0BF)
z { z z z
8
Actual Speed Excessive (0C0)
Overrun detected (0C2)
z { z z {
9
Electromagnetic Brake Unreleased Error (0A5)
Dynamic brake not released (0A6)
Overcurrent (0C8)
Overheat (0CA)
Current Sensor Offset Adjustment Error (0CB)
z { z { {
11
Electric Angling Mismatching (0B4)
Deviation Overflow (0D8)
Software stroke limit exceeded (0D9)
Pressing Motion Range Over Error (0DC)
z { { z z
12
Exceeded allowable time of exceeding torque
allowing continuous pressing (0C4)
Illegal control system transition command (0C5)
Overload (0E0)
Driver logic error (0F0)
(Note) *ALM Signal is an active low signal. It is ON when the power is applied to the controller, and
turns OFF when the signal is output.
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