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5.4 Defects without Error indications
No speed indication / Machine-Version-Error
Error After switching on the centrifuge the speed indicator extinguish and
in the time indicator appears the set machine version.
Error cause
• Wrong machine version adjusted
Example for indication:
RPM x 100
t
START
STOP
Proceed as the following: 1. Set the machine version 3 (EBA 20S)
by using the
and keys beneath
the time indicator.
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 not set on power board (A1), see
chapter 0
Measurement Remove plug S404 and measure between Pin 5 and 6:
Switch closed: ≈ 0 Ω
Switch opened: ∞ Ω
See section 10.2.4.
Opening the lid Release the lid by using the emergency release.
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