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4.4 Defects
without
Error indications
No speed indication / Machine-Version-Error
Error
The centrifuge stops after few seconds and the speed display
extinguished and in the time display appears the set machine
version.
Error cause
•
Wrong machine version adjusted
Example for indication:
RPM x 100
t
Maschinenversion / Machine version
START
STOP
Proceed as the following:
1. Adjust the correct machine version by
using the and arrow keys in the
time area.
ROTOFIX 32 = 4
MIKRO 20
= 2
EBA 20
= 1
2. Press the key
STOP
in order to store
the set machine version.
3. Perform a MAINS RESET.
The lid can not be opened
Error
The lid can not be opened.
The rotation display indicates "Lid opened", but the lid is closed.
Error cause
•
Micro switch at lid lock is defective
•
Loosen contact on plug S404 / Pin 5 and 6
•
Power board A1 defective
•
Jumper for lid lock control is set on power board (A1), see
chapter 5.5
Measurement
Remove plug S404 and measure between Pin 5 and 6:
Switch closed:
≈
0
Ω
Switch opened:
∞
Ω
See also section 9.2.4.
Error code reset
Release the lid by using the emergency release.
