User's Manual

Diagnostics
7.2 Diagnostics with LED
M200D AS-Interface Basic
Manual, 03/2009, A5E01668085-01
81
AS-i / fault LED (possible colors: red / green / OFF)
Status Meaning Cause
OFF Device not ready
• No power supply for electronics
• Hardware fault in AS-i slave
Green Device ready Communication active, normal operation
Flashing red/yellow Slave address = 0 —
Flashing red/green I/O fault S1 bit set
Flashing red Serious I/O fault
• Hardware fault in AS-i slave
Red No data exchange
• Master in stop mode
• Slave not entered in LPS
• Slave has wrong IO/ID code
• Slave in reset mode
STATE LED (possible colors: red / green / yellow / OFF)
Status Meaning Cause
OFF No activation Contact block OFF
Green Activation Contact block ON
by means of controller or hand-held device
Flickering green Manual local control mode
control by input
Contact block ON
by input action
Flashing yellow Mode fault Contact block OFF
manual mode connection interruption without
reset to automatic mode
Flickering yellow Manual local control mode
control by input
Contact block OFF
by input control function
(e.g. quick stop)
Red Contact block defective Switching status ≠ switching command
PWR LED (possible colors: green / OFF)
Status Meaning Cause
OFF No U
AS-i
No AS-i voltage
Green U
AS-i
present AS-i voltage present
PWR AUX LED (possible colors: green / OFF)
Status Meaning Cause
OFF No U
AUX
No auxiliary voltage
Green U
AUX
present Auxiliary voltage present