Troubleshooting - BRAND Transferpette -8 Operating Manual

Troubleshooting

If an error occurs, the instrument display shows "Err" and the error number is also shown. The instrument
will now only react to the ENTER key. Pressing the ENTER key will attempt to restart the instrument.
Therefore, a reference run is automatically requested.
Problem
Instrument does
not react
Instrument does
not react
Instrument does
not react
Instrument does
not react
Display is dark
Tip drips/
instrument not sealed
or volume error
Liquid is not aspirated
or there is a loud motor
noise
70
Error message
—
—
—
Possible cause
Battery discharged
or faulty
Faulty electronic
component
Faulty electronic
component
Unpredicted program
error
No battery inserted
Battery is defective
Faulty electronic
component
Electrostatic discharge Remove and insert
Faulty electronic
component
Improper tip
Tip is not properly
seated
Piston, nose cone or
seal is contaminated or
damaged
Piston movement is
limited
Corrective action
Charge battery for at least
5 min without operating,
then only operate with
charging cable attached
until battery is recharged.
Replace battery if needed.
Send in the instrument
for repair.
Send in the instrument
for repair.
Confirm error by press-
ing the ENTER key. The
instrument is reinitialized.
Insert battery
Replace battery
Send in the instrument
for repair.
the battery.
Send in the instrument
for repair.
Only use quality tips
Press tip in firmly
Clean the instrument/
replace the seal.
Grease piston.
Unscrew the manifold and
move the metal part in the
middle by hand.