Omron NX-SL3500

Event code Event name Meaning Assumed cause
Level
Reference
M
a
j
P
rt
M
i
n
O
b
s
I
n
f
o
05220000 hex Internal Cir-
cuit Error at
Test Output
A fault was detected
in the internal circuit
for the test output ter-
minal.
• The internal circuit for the test
output terminal is faulty.
• A memory error or signal error
occurred due to a transient
cause, such as an excessive
noise.
¡
page
12 - 78
05230000 hex
Internal Cir-
cuit Error at
Safety Out-
put
A fault was detected
in the internal circuit
for the safety output
terminal.
• The internal circuit for the safe-
ty output terminal is faulty.
• A memory error or signal error
occurred due to a transient
cause, such as an excessive
noise.
¡
page
12 - 79
65200000 hex
I/O Power
Supply Volt-
age Error
An incorrect I/O pow-
er supply voltage was
detected.
• The input power or output
power is not supplied correctly.
¡
page
12 - 80
65210000 hex
Output Pow-
er Interrupt
Circuit Error
An error was detect-
ed by the output pow-
er interruption test.
• The wiring is not correct or
there is a fault in the hardware.
¡
page
12 - 81
65220000 hex External Test
Signal Fail-
ure at Safety
Input
An error was detect-
ed in test pulse evalu-
ation of the safety in-
put terminals.
• The positive power supply wire
is in contact with the input sig-
nal line.
• The input signal lines are
shorted.
• The external device is faulty.
¡
page
12 - 82
65230000 hex
Discrepancy
Error at
Safety Input
An error was detect-
ed in discrepancy
evaluation of safety
input terminals.
• There is a ground fault or dis-
connection in the input signal
line.
• The connected device is faulty.
• The setting of the discrepancy
time is not correct.
• Chattering occurred in the in-
put signal from the external in-
put device, such as a safety
door
.
¡
page
12 - 83
65240000 hex Overload
Detected at
Test Output
An overcurrent was
detected at the test
output terminal.
• There is a ground fault on the
output signal line.
• The external device is faulty.
¡
page
12 - 84
65250000 hex
Stuck-at-
high Detect-
ed at Test
Output
It was detected that
the test output termi-
nal is stuck ON.
• The positive power supply line
is in contact with the output
signal line.
• The internal circuit is faulty.
• A memory error or signal error
occurred due to a transient
cause, such as a software er-
ror or excessive noise.
¡
page
12 - 85
65270000 hex
Short Circuit
Detected at
Safety Out-
put
A ground fault was
detected on the safe-
ty output terminal.
• There is a ground fault on the
output signal line.
¡
page
12 - 86
12 Troubleshooting
12 - 29
NX-series Safety Control Unit User's Manual (Z930)
12-3 Checking for Errors with the Sysmac Studio
12
12-3-3 Event Codes for Errors and Troubleshooting Procedures