Error lists/Troubleshooting 3-15
Centrifuge 5804/5804 R and 5810/5810 R
3 Error lists / Troubleshooting
Change
rotor
W-Error 28
Load-cycle count of 100.000 reached
(from software 3.0 onwards with PCB in SMD
technology).
The warning is displayed 3 times following the
run after 98,000, 99,000 and 99,600 runs.
It appears after every run after 100,000 runs.
Notes:
The "Change rotor" message is conceived of
as a warning and provides the customer and
the service technician the opportunity to
evaluate the condition of the rotor.
Use of a rotor with load change limitation that
has exceeded the 100,000th load change is
not permitted!
It must be noted that the load change numbers
(CLyy) can only be reliably evaluated when:
1. In case of repairs the data of the
defective PCB Control has been taken
over by the new PCB Control. (Saving
does not take place in the EPROM
program, but instead only on the PCB.)
2. The load change counter has been reset
while exchanging a rotor.
3. The customer uses only a rotor of the
same type in the centrifuge.
4. The customer uses several centrifuges
and each rotor is allocated to one
centrifuge.
5. The fixed-angle rotors CL13 and 17 have
no load change limitation. It is not
necessary to discontinue operation.
Only the fixed-angle rotors CL14 and 18
and all swing-bucket rotors have a load
change limitation.
Only centrifuges equipped with the PCB
Control in SMD technology as of software
version 3.0 enable a load change number
(CLxx).).
Evaluate the load change table with
service program SE 14.
The load change numbers (CLyy) are
measured separately for each rotor
type.
Immediately discontinue operation of
the rotor if necessary, see notes.
Prior to using a new rotor, delete the
load change table for the rotor type with
service program SE 14.
Display Cause
MSTM/0408
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