Leuze electronic GmbH + Co. KG
MA 238
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27
8
Status displays and operational controls
Figure 8.1: LED indicators on the MA 238
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8.1
LED status indicators
8.1.1 LED indicators on the circuit board
LED (Status)
Off
Device OFF
- No operating voltage or device defective
Green, continuous light Device ok
- Operational readiness
Orange, continuous light Device error / firmware available
Green-orange, flashing Device in boot mode
- No firmware
8.1.2 LED indicators on the housing
PWR LED
Off
Device OFF
- No operating voltage or device error
Green, continuous light Device ok
- Self test successfully finished
- Ready
Green, flashing
Device ok, device in service mode
Red, flashing
Configuration error
- Baud rate or address incorrect
PWR
PWR
PWR
PWR