GHM Martens GS125L, Operating Manual, Page: 17 / 26

BA_MA_GS125_EN_V1.04
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Limit switch GS125
Error and System Messages
Error Cause Remedy
Scale wheel not illuminated
Power supply not connected
or supply voltage to small
or device faulty Check connection
or
Return device to factory for
service
Scale wheel red or green
illuminated
Device is ready for use
Scale wheel flashes red Break of sensor or short circuit
Check connections and sensor
wiring
Current output does not work
correctly
- wrong measuring range
selected
- Connections incorrect
- connected burden too high
- Device faulty
- Check configured measuring
range
- Compare terminals with the port
connection diagram.
e.g. with Pt100 / -
2-wire measurement, a bridge
between terminals 41 and 42 is
mandatory.
- Return device to factory for
service
Table 5 Error and System Messages