Eppendorf Centrifuge 5427 R - Manual (Page 42)

Troubleshooting
Centrifuge 5427 R
English (EN)
42
7.2 Error messages
Proceed as follows if the following error messages appear:
1. Remove fault (see remedy).
2. If necessary, repeat centrifugation.
Symptom/message Cause Remedy
ERR 1 Rotor not detected.  Check rotor.
 If this error message appears again,
test with a different rotor.
Err 2 Electronics fault.  Switch centrifuge off and back on
again after > 20 s.
NO RPM (ERR 3) Error in speed measuring system.  Leave the device switched on until the
error message disappears (10 s or
6 min).
Err 5 Prohibited opening of lid or lid switch is
defective during a run.  Wait for rotor to stop.
Err 6 • Error in the drive electronics.
• Drive overheated.  Repeat the run.
 If this error message appears again,
switch centrifuge off and back on
again after > 20 s.
 Allow the drive to cool down for at
least 15 min.
Err 7 Major deviation in the speed control. 1. Wait for rotor to stop.
2. Tighten the rotor.
Err 8 Drive fault. 1. Wait for rotor to stop.
2. Repeat the run.
ERR 9 to ERR 14 Electronics error.  Switch centrifuge off and back on
again after > 20 s.
IMBAL (ERR 15) Rotor is asymmetrically loaded.  Load the rotor symmetrically and
balance.
ERR 16 to ERR 17 Electronics error.  Switch centrifuge off and back on
again after > 20 s.
Err 18 Temperature deviation from set value in
the rotor chamber: ±5 °C.  Check the settings.
 Check unhindered air circulation
through the air slots.
 Thaw ice or switch off device and
allow it to cool down.
Err 19 Condenser overheated.  Check unhindered air circulation
through the air slots.
 Allow device to cool down.
Err 20 Temperature sensor in rotor chamber is
faulty.  Switch centrifuge off and back on
again after > 20 s.
Err 21 Temperature sensor on condenser is
faulty.  Switch centrifuge off and back on
again after > 20 s.