Chapter 8, Troubleshooting Guide:
E.H. Wachs Part No. 79-MAN-04, Rev. I 199
1. Contact E.H. Wachs for service if your valve operator is
generating
Transducer Error messages.
Symptom: A “Transducer Zero Torque Error” mes-
sage appears starting the Vitals Diagnostics Hydrau-
lics Test.