
The output signal on pin 9 and 10 will continue to follow the input signal instead of the position. Apply 20.0 mA input
signal. Measure the output signal and adjust the input signal up/down until the output signal is 20.0 mA. Push the
button three times until all LEDs are lighted.
The LEDs will start flash yellow-yellow and the unit is ready for continued calibration.
Press the button for 5 sec until the LEDs start alternating, Apex A9000 starts to calibrate stroke.
After calibration the unit will start running in normal operation.
13. Trouble shooting
13.1 Apex A9000 Normal operation
Valve fully closed or open
”Cut off” enabled.
13.2 Calibration
No air supply or
shaft do not move.
Check air supply
Check shaft movement.
Hallsensor value too low.
Check hallsensor
connection.
Hallsensor value too high.
Calibrate 4 - 20 mA
input signal.
4 - 20 mA feedback installed.
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