SICK ReLy MULT1, Руководство по эксплуатации

Страница: 26 / 40

9 Troubleshooting
9.1 Safety
DANGER
Hazard due to lack of effectiveness of the protective device
In the case of non-compliance, it is possible that the dangerous state of the machine
may not be stopped or not stopped in a timely manner.
b
Immediately shut the machine down if the behavior of the machine cannot be
clearly identified.
b
If a machine fault cannot be definitively determined or safely rectified, immediately
shut the machine down.
b
Secure the machine so that it cannot switch on unintentionally.
NOTE
Additional information on troubleshooting can be found at the responsible SICK subsid‐
iary.
9.2 Status indicator (LED)
Status indicator (LED)
Table 5: Fault indicators and operational statuses
LED Status Possible cause
PWR
o
No supply voltage
All LEDs
Ö
All colors
Initialization with LED test
PWR
O Green
No fault
PWR
Ö
Red (2 Hz)
• Supply voltage too low temporarily or per‐
manently
• Internal error
PWR
Ö
Red (1 Hz) Configuration is invalid
PWR
Ö
Red/green
Error
Additional LEDs flash for accurate diagnosis.
OUT
o
Enabling current paths open
OUT
O
Green
Enabling current paths closed
OUT
Ö
green (1 Hz)
Error in enabling current path
S1
O
Green Reset pushbutton actuated, N/C contact of the
actuator closed
I1 and I2
Ö
Green, alternate
Input error: discrepancy time expired
I1 and I2
Ö
Green, simultane‐
ous
Input error: cross-circuit, process error
Y1
o
Enabling current paths closed
Y1
O
Green
Enabling current paths open
Y2
o
Output with LOW status
Y2
Ö
Green
Reset required
Y2
O
Green Reset pushbutton actuated
Complementary information
• "Configuration", page 22
9
TROUBLESHOOTING
26 O P E R A T I N G I N S T R U C T I O N S | ReLy MULT1 8024307/2021-07-30 | SICK
Subject to change without notice