Troubleshooting; Error Messages - Omni revvity CF-220 User Manual

5. TROUBLESHOOTING

Review the information below to troubleshoot the operating problems.

5.1 ERROR MESSAGES

If a an error occurs during the operation of the centrifuge, an error message appears
on the display, and the centrifuge stops automatically. The display shows message
ERROR and number of the error EXX (XX is the error number). For the list of errors, see
below table.
DISPLAY
ERROR E12
ERROR E13
ERROR E14
ERROR E30
ERROR E31
ERROR E41
PROBLEM
Speed deviates for
more than
± 500 RPM / 5 s
Speed sensor error
Rotor speed too high
(maximum rotor
speed exceeded for
more than 500 RPM)
Imbalance to high
Imbalance sensor
Voltage too low on
the
DC link
(below 150 V)
SOLUTION
Check rotor, motor and
frequency regulator
Electronics error
Check speed sensor
Check speed sensor
Electronics error
Reduce speed
Check speed sensor
Check rotor loading
arrangement
Check the samples
weight in the rotor
Check if the rotor and
rotor lid are fastened
Check the rotor and the
lid
Check speed sensor
Repeat the balancing
procedure
Check imbalance sensor
Check imbalance sensor
Electronics error
Check power supply
WHO
REPAIRS
Service
Service
Service-SP
Service
Service
User
Service-SP
User
User
User
User
Service-SP
Service
Service-SP
Service
Service
Service