Operating Tips; Troubleshooting - VWR 444-0268 Manual De Instrucciones

below the speed display to interrupt the shaking function. Restart
the timer by pressing the on/off button below the time display.
Unit will continue counting down to zero (0:00). When the display
reaches zero (0:00), you will hear the four (4) audible beeps that
indicate the count down function is complete and the shaking
function will cease.
5. Turning unit off:
a. To turn the unit off, press the standby button. The speed and time
displays will be blank, the standby indicator light will illuminate.
The Mini/Microplate Shaker should be kept in standby mode when
not in use. To completely cut off power to the unit, disconnect the
power cord form the unit or unplug from the wall outlet.

OPERATING TIPS

As a safety feature, a built-in program will shut power off to the motor
if the tray is prevented from rotating, or the unit is overloaded beyond
its recommended weight capacity.
Built-in memory maintains the last used speed and time settings during
a power interruption.
T
ROUBLESHOOTING
During operation, any rattling or ticking sounds may indicate a loose
screw on the tray, a tray attachment or an accessory. All accessories
should be sufficiently tightened in place before starting the unit.
Error Code Software Test
E04 unit overloaded
Press the standby button to clear this error. Be sure the load is within
the maximum load capacity before restarting the unit. If the E04 error
code persists, switch the unit off and contact your VWR representative
for repairs.
Error Code Software Test
E03 drive system failure
Press the standby button to clear this error and remove the mechanical
obstruction. If the E03 error persists the reason may be a ceased bearing
or broken drive belt and should NOT be addressed by the end user. Switch
the unit off and contact your VWR representative for repairs.
* In the event a foot (suction cup) has come loose from the bench top, the
unit will register an errant E04 or EO3 error message due to the instability
of the unit. Press the standby button to clear this error. Firmly press
down on the four (4) corners of the unit, creating a strong suction to the
work surface (DO NOT place on bench mat). Press the standby button to
resume operation.
Cause
maximum load exceeded
loose foot (suction cup) *
Cause
ceased bearing
drive belt broken
mechanical obstruction
loose foot (suction cup) *
10