Chapter 2 Design and Function
5300.9677.72 - 2.20 - EN-4
LINK Displays the communication status on the CAN bus (LED shows green)
Signals four different states:
– LED flashes rapidly: No master
– LED flashes slowly: Bus not operational
– LED permanently on: Normal communication
– LED off: No supply to processor board
RF IN FAIL RF input level on internal amplifier below threshold (LED shows yellow)
POWER FAIL No supply voltage available for the internal amplifier (LED shows red)
REFLECTION Reflection in the RF output from the internal amplifier has exceeded a
threshold (LED shows red)
TEMP FAIL Overtemperature in instrument (LED shows red)
ABSORBER FAIL Power too high on absorber (LED shows red)
Display Meaning
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