Bio-Rad Econo Gradient Pump Kits - Manual (Page 39)

8.0 TROUBLESHOOTING
Problem Possible Cause Solution
Pump displays Power outage If you wish to continue a run in
“Power Failure!” progress, press the Continue
soft key. The LCD will display
the program at the time of the
power failure. Pressing the
Stop soft key will display the
message “Program Aborted”.
You may now operate the
pump
as normal.
Pump will No power Verify that power cord is
not run (no LEDs lit) plugged in and the power
switch is turned on.
Fuses Check that proper fuses are
installed and intact.
Insure that the calibration
indicator light is not flashing.
For pump to run, this light must
either be off or steadily lit.
Mode Econo Gradient Pump must be
in either Manual or Program
mode to start.
Liquid remains Platen not Adjust the platen by turning
stationary adjusted it counter clockwise until it is
in tubing completely loosened, then
rotate three to five full turns
clockwise. See section 4.3,
Platen Adjustment.
Clogged tubing, Check tubing, fittings, and
valves, or fittings valves for obstructions.
Damaged tubing Check pump tubing. Replace
damaged tubing.
Troubleshooting
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