We discovered a manufacturing problem which affected 750P pressure modules in the following
SN range:
SN 5831004 - SN 5955000
The problem has been corrected after SN 5955000, but any 750P pressure modules in the field within this range might not communicate with the 71X calibrators. Only a few of these 750P’s escaped into the field, so please keep an eye out for any failures of this type.
Please return the defective 750P Pressure Module to Everett factory service for warranty replacement.