SMC Networks LECSB2-T Series User Manual

8. TROUBLESHOOTING
8 - 21
Alarm No.: 16
Name: Encoder initial communication error 1
Alarm content
An error occurred in the communication between an encoder and driver
Detail
No.
Detail name
Cause
Check method
Check result
Action
16.3
Encoder initial
communication
- Receive data
error 3
(1)
An encoder cable was
disconnected.
Check if the encoder
cable is connected
correctly.
It is not connected
Connect it correctly.
It is connected.
Check (3).
(2)
The parameter setting
of communication
method is incorrect.
Check the parameter
setting.
The setting is incorrect.
Set it correctly.
The setting is correct.
Check (4).
(3)
An encoder cable is
malfunctioning.
Check if the encoder
cable is disconnected
or
shorted.
The setting is incorrect.
Set it correctly.
The setting is correct.
Check (5).
(5)
The voltage of the
control circuit power
supply has been
unstable.
Check the voltage of
the control circuit
power supply.
An instantaneous power
failure is occurring at the
control circuit power
supply.
Review the power and
related parts
It has no failure.
Check (8).
(6)
The driver is
malfunctioning.
Replace the driver, and
then check the
repeatability.
It is not repeatable.
Replace thedriver.
It is repeatable.
Check (9).
(7)
An encoder is
malfunctioning.
Replace the servo
motor,and then check
the repeatability.
It is not repeatable.
Replace the servo
motor
It is repeatable.
Check (10).
(8)
Something near the
device caused it.
Check the noise,
ambient temperature,
vibration,etc.
There is a problem in the
surrounding.
Take countermeasures
against its cause.
16.5
Encoder initial
communication
- Transmission
data error 1
Check it with the check method for [AL. 16.1].
16.6
Encoder initial
communication
- Transmission
data error 2
16.7
Encoder initial
communication
- Transmission
data error 3

SMC Networks LECSB2-T Series Specifications

General

Brand	SMC Networks
Model	LECSB2-T Series
Category	DC Drives
Language	English