1100 Series Nano Pump Service Manual 137
Repairing the Pump 3
the Type Command” on page 137, other whise continue with the section
“Entering the Serial Number” on page 139.
Entering the Type Command
You must change the TYPE of the replacement main board to agree with the
nano pump (G2226A). The TYPE can be entered using either the control
module or the ChemStation, see “Entering the Type Command using the
Control Module” on page 137 or “Entering the Type Command using the
ChemStation” on page 138.
Entering the Type Command using the Control Module
1 Connect the control module to the pump.
2 From Views (press F5) select the System screen, then press Tes ts (F3).
3 Using the up/down arrows, make sure that the nano pump is highlighted
and press Enter. The Tests screen for the nano pump should now be
displayed.
4 While in the Te s t s screen, press m.m (m dot m). From the box now displayed,
select the Command line, and press Enter.
5 Into the box labeled Instr, enter the command TYPE G2226A.
After the installation of a new mainboard the TYPE (binary) of the module is normally
automatically detected. The specific TYPE tells the pump how to configure itself during turn
on. In some cases, especially when a defective mainboard is replaced with an older version
of mainboard, the automatic TYPE detection does not work. When the TYPE of the
exchange main board does not match the pump, a pump configuration error will occur
during pump turn on. This will cause the pump status indicator to be red. In this case the
TYPE of the module has to be entered using the procedure described in the following
sections.
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