Bio-Rad Model EP-1 Econo Pump - Manual (Page 22)

Problem Possible Cause Solution
Large change in Re-calibrate flow.
back pressure or
fluid viscosity
Restriction on inlet Remedy
side
Excessive tubing Platen too tight Turn platen adjustment screw
wear clockwise to stop flow, then
clockwise until flow starts.
Cannot calibrate Pump must be Insure that pump is stopped.
pump stopped in order to
calibrate pump
Error message Contact Bio-Rad Technical
displayed upon Service
powering up (ER ##)
Section 10
Embedded Functions
During a technical service call, you may be asked to perform tasks
which require you to press combinations of keys. These tasks are defined
below.
10.1 Software Confirmation
To check the version of software installed in the Econo Pump, simul-
taneously hold down the direction key (in the upper left corner) and the
“down” arrow key on the front panel of the Econo Pump. The four digit
display should display “v2.01” or higher.
10.2 Warm Reboot
You may be asked to perform a warm reboot if the Econo Pump soft-
ware is not functioning properly. To initiate a warm reboot, press the
Tubing Calibration and Down Arrow keys simultaneously and hold for 3
seconds.
10.3 Cold Reboot
A cold reboot may be necessary if the warm reboot was unsuccessful.
Turn off the pump and hold the Tubing Calibration and Down Arrow keys
while turning the pump back on. Hold the two keys until the display
stabilizes.
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