Instructions

Pub.# OM17-MSP-pH
6-1
SECTION 6
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:
Figure 1
-check to be sure that external controller is in Automatic mode. If it isn’t, this screen will
appear:
Figure 2
-follow troubleshooting flow chart below and see related Procedures in Maintenance and
Procedure Section
Figure 3