Veris Technologies MSP EC and pH (1997-2008 floppy disk drive 1.02E) - Operating Instructions - Manual (Page 47)

Veris Technologies
Pub. #OM MSP03-1
47
pH Module Troubleshooting
1. Unit doesn’t cycle when “1” key is pressed (in Automatic Mode)
-check to be sure you are in Data Acquisition mode—screen below:
-check to be sure that external controller is in Automatic mode. If it isn’t, this screen will appear:
-follow troubleshooting flow chart below and see related procedures at end of Troubleshooting
Section.