User Manual
Chapter 6 Troubleshooting
226
{: ON z: OFF
*ALM
ALM8
(PM8)
ALM4
(PM4)
ALM2
(PM2)
ALM1
(PM1)
Binary Code Description: Alarm code is shown in ( ).
z { z z z
8 Actual speed excessive (0C0)
z { z z {
9
Overcurrent (0C8)
Overheat (0CA)
Drive source error (0D4)
z { z { {
11
Deviation overflow (0D8)
Software stroke limit exceeded (0D9)
Pressing motion range over error (0DC)
z { { z z
12
Electric angling mismatching (0B4)
Servo error (0C1)
Motor power source voltage excessive (0D2)
Overload (0E0)
Driver logic error (0F0)
z { { z {
13
Encoder receipt error (0E5)
A-, B- and Z-phase wire breaking (0E7)
A and B-phase wire breaking (0E8)
Absolute encoder error detection 1 (0ED)
Absolute encoder error detection 2 (0EE)
Absolute encoder error detection 3 (0EF)
z { { { z
14
CPU error (0FA)
Logic error (0FC)
z { { { {
15
Nonvolatile memory write verify error (0F5)
Nonvolatile memory write timeout (0F6)
Nonvolatile memory data destroyed (0F8)
(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.