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2AO U HF analog electronic module (6ES7135-4LB02-0AB0)
Manual, 04/2007, A5E01076940-01
13
Diagnostics
3
3.1
Diagnostics using LED display
LED display
1
6)
①
Batch error (red)
Status and error displays
Event (LED)
SF
Cause
Remedy
On
No configuration or incorrect
module plugged in. No load
voltage.present There is a
diagnostic message.
Check the parameter
assignment. Check the load
voltage. Evaluate the
diagnostics.