Omron NX701-17 Series Troubleshooting Manual page 272

3 Error Tables
Event code Event name
08490000 hex Overcurrent
Error
084A0000 hex Encoder
Communica-
tions Discon-
nection Error
084B0000 hex Encoder
Communica-
tions Error
084D 0000 hex Non-volatile
Memory
Hardware
Error
18230000 hex Absolute
Encoder
Multi-rotation
Counter Error
18380000 hex System Error
183A0000 hex Non-volatile
Memory Data
Error
246D 0000 hex Motor
Non-confor-
mity
3-194
Meaning Assumed cause
The current flow- • There is a short-circuit, ground
ing to the motor fault, or contact failure on the U,
exceeded the V, or W motor cable
protection level.
• There is a short-circuit on the
wiring of External Regenera-
tion Resistor
• The insulation resistance failed
between the U, V, or W motor
cable and the motor ground
wire
• False detection due to the noise
• Servo Drive failure
The communica- • Noise into the encoder cable
tions disconnec-
• Contact failure of the signal
tion was detected
line, and disconnection of the
between the
encoder
encoder and the
• Power supply undervoltage to
Servo Drive.
the encoder
• Encoder failure
Illegal data was • Noise into the encoder cable
received from the
• Contact failure of the signal
encoder the
line, and disconnection of the
specified number
encoder
of times.
• Power supply undervoltage to
the encoder
An error occurred • False detection due to a data
on the non-vola- read error that was caused by
tile memory. excessive noise
• Non-volatile memory failure
The encoder • A temporary error occurred in
detected a multi- the encoder multi-rotation
rotation counter detection function due to vibra-
error. tion, impact, or condensation
• Encoder failure
A hardware error • False detection due to a data
due to the self- read error that was caused by
diagnosis and a excessive noise
fatal software
• A fatal software error was
error were
detected
detected.
• Hardware failure
An error of data • Power interruption or noise
saved in the non- occurred while parameters
volatile memory other than the safety were
was detected. saved
• Power interruption or noise
occurred while the motor iden-
tity information was saved
• Power interruption or noise
occurred while safety parame-
ters were saved
The Servo Drive • The Servo Drive and motor
and motor combi- combination is not correct
nation is not cor-
rect.
Level
Maj Prt Min Obs Info
S
S
S
S
S
S
S
S
NJ/NX-series Troubleshooting Manual (W503)
Refer-
ence
I586
I586
I586
I586
I586
I586
I586
I586