Veris Technologies pH Manager - Operating Instructions User Manual
Page 71
Pub.# OM17-MSP-pH
6-26
Procedure #7: Removing EC Surveyor Cover: Microchip Replacement
It may be necessary to open the EC Surveyor to perform the service function listed below.
Disconnect power cable. Remove four screws in front end plate, and pull end plate slightly to free
up top panel. Be careful not to pull too hard and disconnect any wires.
Figures 7.1a and 7.1b
Slide top panel out to reveal circuits.
Figure 7.2
Replacing microchip. If microchip fails, or if unit needs updated firmware, it will be necessary to
remove chip and replace with new one. Before chip removal and installation, touch grounded metal
to discharge your static electricity. Remove chip with pliers or chip puller. Install new chip, making
sure that notch in plastic housing is to the right. Be careful to not damage pins of new chip as it is
installed