Viano air suspension issues

[Hopalong2501]

Hi guys got a Viano with air suspension issues had a front spring replaced since then suspension has not worked no warning lights on in dash or rear switches light indicator just found someone who has traced it to the control module this has been replaced at a cost of £450 but suspension still not working I now have
Power at the rear switches and display sign on at the dash he is talking about a calibration programme but can't seem to find anything has anybody got any ideas to resolve this need the car fixed ASAP car is a converted for my daughters
Electric Wheelchair any suggestion much appreciated
Thanks