Yello

after all the conclusions i believe the expansion valve is defective , and i wouldn't want to replace it for nothing, my question is how much experience do you have with siemens electronic expansion valves, because in the chiller that is with problems, there are 2 (out of 4) that have the same symptom and it's my firs expansion valve of this size that i see in trouble.

so ... did anybody had problems with siemens electronic expansion valves

For the data's to be complete , model MVL661.25-6.3