Waters 2545 Binary Gradient Module Operator's Manual page 85

Explanation of error message (Continued):
Error message
Transducer Range Error
Vent Valve Fail HW
Detected
Explanation
The pump detected an excessive offset voltage
that was out of specification. This is likely an
electronics failure but could also result from a
failure where the system pressure was not
vented successfully on power-up. If this
message persists, call Waters Technical
Service.
The system/vent valve detected a movement
error. If this message persists, call Waters
Technical Service.
Error messages 4-7