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Troubleshooting
Other Possible Problems
Table 3.2 Troubleshooting Chart
Problem
Rotor cannot achieve
set speed
Door will not open
Displays are blank
Program security PIN
number is not known
Chamber does not
reach selected
temperature
Chamber icing
3-6
Problem/Result
Electrical failure
Motor failure
Rotor spinning
Power not on
Source power failure
Power not on
Electrical failure
Unable to edit or delete a
program with security
setting
Centrifuge cannot
maintain selected
temperature for rotor in
use at speed selected
Excess humidity in
chamber
Condensation build-up
between runs
Recommended Action
Make sure the power cord is securely connected;
contact
us.
Contact
us.
Wait until the rotor stops.
Plug in the power cord; turn power on.
See
Retrieving Your Sample in Case of a Power
Failure, below.
Plug in the power cord; turn power on.
• Make sure the power cord is securely
connected.
• If the problem persists,
Enter the Administrator PIN number in place of the
security PIN number to edit or delete the program:
2366
• Pre-cool or pre-warm rotors before running at
low or high temperatures.
• Precool rotor chamber by running a 30-minute
cycle at the required temperature with the
speed set at 2000 rpm.
• Make sure the air intake vent is clear.
• If using multiwell-plates for runs exceeding
2 hours in a warm and/or humid environment,
speed reduction may be required to maintain
low sample temperature.
Wipe out moisture from the chamber and the
chamber gasket before each run.
• Leave door open between runs.
• Set temperature to a setting higher than
ambient temperature.
• Turn centrifuge power off.
contact
us.
PN B80286AC
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Table of Contents
Troubleshooting
