Calibrate a GEA A15 Control Top

1. Remove and reconnect control top power. The configuration buttons lock after 30 seconds. ​

2. Hold down both configuration buttons until a solid red light appears. The valve will now cycle through all of its positions. ​

3. Once the valve has completed cycling through, the LEDs will begin to flash in sequence. See the image for the proper setting sequence. If you want to accept the current setting, hit the (-) button. To change the setting, hit the (+) button to cycle through the different options.