Siemens SIMATIC ET 200S Manual page 62

Brief Instructions on Commissioning ET 200S
4. Switch on the load voltage on the power module again, and evaluate the
diagnosis again.
Result:
Status LED IM151-3 PN:
-- SF: Off
Status LEDs on the power module:
-- PWR: on
-- SF: Off
Status LEDs on the I/O modules:
-- LEDs: Off
-- The diagnosis is deleted.
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ET 200S Distributed I/O System
EWA-4NEB 780602402-12