NOVOLAS Basic AT Version 2.1
09/2010
50 Operation
6.6 Diagnostics LEDs
Most AT System modules are equipped with two diagnostic lamps L1+ L2 for system
diagnostics. . Each lamp consists of two LEDs, each with green and red colour. If the
red and green is activated at the same time, the colour impression is yellowish. To
achieve a correct analysis, the lamp has to be viewed under 90°.
6.6.1 Diagnostic Lamp L1
L1 state Module State Description
Off (L2 is also off) No power Modules 24V supply is not
connected or without power.
1xGreen, 1xRed
blinking
Initializing Module waits for all environmental
conditions to meet requirements.
E.g. laser module waits for
sufficient cooling
Green blinking Initialized Environmental conditions are met.
Module is ready for start.
Green Run Module is in working state.
Red blinking Shut down Module has been shut down.
Red Error Module has encountered an error.
E.g. cooling not sufficient,
overheating, low flow rate,
overcurrent.
2x Green, 1x Red Reset Module is in Reset State
6.6.2 Diagnostic Lamp L2
L2 state Module State Description
Off No power Modules 24V supply is not connected
or without power.
Green Powered Application
running
Indicates the intrinsic power is
applied and the application is
running.
Yellowish Powered Application
running and module
activated
Normal state but module is an power
delivering state. E.g. laser modules
indicate that the interlock is closed,
Current sources indicate that main
power is applied.
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