User's Manual

26
HBM: Business Document
8 Functionality testing
You can check the
functionality of the rotor and the stator from the LEDs on
the evaluation unit.
Fig. 8.1: LEDs on the evaluation unit
LED
Color
Significance
LED no. 2
(power status)
Green (permanently lit)
normal operation
The main switch (no. 6 in Fig. 6.1) is on
and the evaluation unit is under power
Off (not lit)
The main power is off
LED no. 3
(RF level status)
Green (permanently lit)
normal operation
The LED indicates an acceptable RF
signal strength
Off (not lit)
The RF signal strength is too low, the
transmission between rotor and stator is
broken. Check rotor / stator alignment
LED
(cal-function
status)
Off (not lit)
normal operation
The shunt signal is not active.
Orange (permanently lit)
The shunt signal is active as long as the
LED is lit.
LED no. 2 (green),
power status
LED no. 3 (green),
RF level status
LED (orange),
cal-function status