Eberspacher airtronic d4 12v, problem! using edith.Solved.

I bought an ex mod ambulance with a eberspacher airtronic heater fitted, i gave it a service as it was giving off fault code 52 after 2 failed attempt to fire up, everything about the heater seemed fine and i couldnt see any reason why it wouldnt fire up, This video is of the edith software during the failed startups. I have found out the the ecu on mine which has the pvc cover on the cable was the older type and had faults, so i bought a newer ecu with the software update(fabric cable cover) and it works fine, so if you have this problem with your heater then a new ecu is the answer!