Flowserve APEX A9000 Accord - Manual (Page 33)

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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
G
Normal operation.
Y
Valve fully closed or open
”Cut off” enabled.
13.2 Calibration
R G
(No movement)
No air supply or
shaft do not move.
Check air supply
Check shaft movement.
R Y G Pot not calibrated. Calibrate the pot.
R G R Hallsensor value too low.
R R G Hallsensor span too low. Check hallsensor
connection.
R Y R
Hallsensor value too high.
Y R Unit in Factory Mode. Calibrate 4 - 20 mA
input signal.
Y G
4 - 20 mA feedback installed. Calibrate output.