2TLC010067M0201 Rev.G
23
10
Troubleshooting
10.1
Front LEDs
A
B
C
A.
CH1
Safety input channel 1 status
B.
MODE
Mode status
C.
CH2
Safety input channel 2 status
10.2
LED operation indication and error status
CH1
Mode
CH2
Status
Action
off
off
off
The safety relay is
not powered
Check A1–A2
voltage and
connections
green
green
green
CH1 and CH2
accepted. Reset
made and
outputs
activated.
off
flash green
off
CH1 and CH2
unaccepted. A
timer function is
counting down
while the safety
relay remains
activated