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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.
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