Chapter 8 Troubleshooting
300
Alarm
Code
Alarm
Level
Alarm Name Cause/Treatment
0EE Absolute encoder error
detection 2
Cause : This is the condition where the position information
can not be detected in the absolute encoder.
1) Voltage drop of absolute battery.
2) The encoder relay cable or supplied actuator
cable is disconnected or its connector is not
plugged in correctly.
Treatment : 1) Check the battery alarm output BALM and replace
the battery if it is ON (OFF for Remote I/O Mode).
2) Check if any wire breakage on a connector and
the condition of wire connections.
Whichever action is taken under 1) or 2), an absolute
reset must be performed. If the cables are normal,
faulty encoder is suspected. Please contact IAI.
0EF Absolute encoder error
detection 3
Absolute encoder is not detecting the position information
properly. (ABS encoder overspeed error)
Cause : This error occurs in such cases as the speed
exceeded the tracing acceleration speed limit in the
drop by the brake release at the power cutoff of the
absolute type vertical axis. (This condition should not
occur in normal conditions of use. Take sufficient
note on forced brake release.)
Treatment : If the error is occurred, it is necessary to absolute
reset.
0F0 Driver logic error
Cause : Exceeded load, parameter (motor type) mismatched,
noise, malfunction of controller, etc.
Treatment : Please contact IAI.
0F4 Mismatched PCB This controller uses a different print circuit board depending on the
motor capacity.
Mismatch of connected motor and the PCB is detected in the
startup check.
Cause : The actuator may not match the controller. Check the
model.
Treatment : Should this error occur, please contact IAI.
0F5 Nonvolatile memory write
verify error
It is verified at the data writing process to the non-volatile memory
that the data inside the memory and the data to be written are
matched. There was a mismatch detected in this process.
Cause : Faulty nonvolatile memory.
Treatment : When the error is caused even when the power is
re-input, please contact IAI.
0F6 Nonvolatile memory write
timeout
There is no response in the specified time duration during the data
writing to the non-volatile memory.
Cause : Faulty nonvolatile memory.
Treatment : When the error is caused even when the power is
re-input, please contact IAI.
0F8 Nonvolatile memory data
destroyed
Abnormal data was detected during the nonvolatile memory check
after starting.
Cause : Faulty nonvolatile memory.
Treatment : When the error is caused even when the power is
re-input, please contact IAI.
0FA
Cold start
CPU error
The CPU operation is not normal.
Cause : 1) Faulty CPU
2) Malfunction due to noise
Treatment : When the error is caused even when the power is
re-input, please contact IAI.
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