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12 Troubleshooting
AC Servomotors/Servo Drives 1S-series with Built-in EtherCAT® Communications User’s Manual (I586)
12-5 Troubleshooting
12
12-5-1 Troubleshooting Using Error Displays
45 00 Absolute
Encoder
Multi-rotation
Counter Error
The encoder detected a
multi-rotation counter
error.
A temporary error
occurred in the encoder
multi-rotation detection
function due to vibra-
tion, impact, or conden-
sation.
Use the product continuously if this
event does not occur after improv-
ing the operating environment.
Replace the motor if this event
occurs again.
Encoder failure
01 Absolute
Position
Detection
Error
The encoder detected a
multi-rotation counter
error.
A detection error was
detected in the
multi-rotation detection
section of the encoder.
Perform the Absolute Encoder
Setup after cycling the power sup-
ply, and update the multi-rotation
number.
*4
There is excessive
noise.
Take noise countermeasures.
Replace the motor if this event
occurs repeatedly.
47 00 Overspeed
Error
The encoder detected
the overspeed.
The motor is rotated by
external forces.
Take countermeasures so that the
motor is not subjected to external
forces if the motor is rotated by
external forces.
Encoder failure and
false detection
If this event occurs repeatedly, the
encoder is faulty. Replace the
motor.
58 00 Main Circuit
Temperature
Monitoring
Circuit Fail-
ure
A temperature monitoring circuit failure was
detected on the main circuit.
If this event occurs repeatedly after
you cycled the power supply,
Replace the Servo Drive.
59 00 Fan Error The rotation speed of
the fan is 40% or less of
the rating and the cool-
ing performance
decreases.
There is a foreign mat-
ter in the cooling fan
and it blocks the rota-
tion.
Check whether there is a foreign
matter in the fan. If you find a for-
eign matter, remove it.
Cooling fan failure If there is no improvement after you
performed the correction above,
replace the Servo Drive.
62 00 Control Right
Release
Error
Communications
between the Sysmac
Studio and Servo Drive
were interrupted while a
specific function was
used from the Sysmac
Studio.
This error is detected
when the FFT, test run,
or control output check
function is used.
The USB cable or Eth-
erCAT cable was dis-
connected during the
connection with the Sys-
mac Studio.
Connect the USB cable or Ether-
CAT cable between the Servo Drive
and the computer that controls the
Servo Drive if it is disconnected.
There is excessive
noise.
Take noise countermeasures for the
USB cable or EtherCAT cable.
A command sent from
the Sysmac Studio was
not sent to the Servo
Drive because the com-
puter was in a busy
state or the like.
Finish other applications to reduce
the processing load of the com-
puter.
Error No.
Name Cause Measures
Main
(hex)
Sub
(hex)
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