Error Messages - HELIX GRANVILLE-PHILLIPS Convectron ATM Instruction Manual

Chapter 5
RS–485 error messages
64
Table 5-2 on page 65 lists failure symptoms, causes, and solutions that are
indicated by any of the following responses from the module:
• A defective or contaminated Convectron gauge.
• Excessive system pressure.
• Failure to install the module according to the instructions on pages 5-14.
• Unacceptable vacuum chamber pressure or atmospheric pressure while
a pressure calibration is being performed.
Table 5-3 on page 66 lists error messages that the module returns if you
enter a command improperly or if the module non-volatile memory
(NOVRAM) cannot process a command.
Convectron
®
ATM Vacuum Gauge Module Instruction Manual