SMC Networks LECSB2-T Series User Manual

8. TROUBLESHOOTING
8 - 22
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.A
Encoder initial
communication
- Process error
1
(1)
The driver is
malfunctioning.
Replace the driver, and
then check the
repeatability.
It is not repeatable.
Replace the driver.
It is repeatable.
Check (2).
(2)
An encoder is
malfunctioning.
Replace the servo
motor, and then check
the repeatability
It is not repeatable.
Replace the driver.
It is repeatable.
Check (3 ).
(3)
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.B
Encoder initial
communication
- Process error
2
Check it with the check method for [AL. 16.A].
16.C
Encoder initial
communication
- Process error
3
16.D
Encoder initial
communication
- Process error
4
16.E
Encoder initial
communication
- Process error
5
16.F
Encoder initial
communication
- Process error
6
Alarm No.: 17
Name: Board error
Alarm content
A part in the driver is malfunctioning.
Detail
No.
Detail name
Cause
Check method
Check result
Action
17.1
Board error 1
(1)
A current detection
circuit is
malfunctioning.
Check if the alarm
occurs
during the servo-on
status.
It occurs.
Replace the driver.
It does not occur.
Check (2).
(2)
Something near the
device caused it.
Check the noise,
ambient
temperature, etc.
There is a problem
in the surrounding.
Take countermeasures
against its cause.
17.3
Board error 2
Check it with the check method for [AL. 17.1].
17.4
Board error 3
(1)
The driver recognition
signal was not read
properly.
Disconnect the cables
except for the control
circuit power supply,
and then check the
repeatability.
It is repeatable.
Replace the driver.
It is not repeatable.
Check (2).
(2)
Something near the
device caused it.
Check the noise,
ambient temperature,
etc.
There is a problem in
the surrounding.
Take countermeasures
against its cause.
17.7
Board error 7
(1)
Check it with the check method for [AL. 17.4].

SMC Networks LECSB2-T Series Specifications

General

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