Heraeus CRYOFUGE 6000i, Operating Instructions Manual

Page: 49 / 54

Troubleshooting
45
Fault report Behaviour of the centri-
fuge Possible causes and remedies
"system check"
LED is alight,
E-10,
intermittent
tone During the self-test after
switching on the centri-
fuge. NV-RAM; error in program memory.
Turn the appliance off and on again. If the fault continues, request
customer service.
"system check"
LED is alight,
E-12,
intermittent
tone The rotor is slowing
down without decelera-
tion until it comes to a
standstill.
Appliance is not oper-
able.
Temperature measurement malfunction.
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FXVWRPHUVHUYLFH
"system check"
LED is alight,
E-15,
intermittent
tone The rotor is slowing
down without decelera-
tion until it comes to a
standstill.
Appliance is not oper-
able.
Incorrect checksum in NV-RAM.
"system check"
LED is alight,
E-17,
intermittent
tone Lid does not open. Lid is blocked or jammed.
Press the lid down once at the front in the centre and then press the
“lid open“ key again.
Otherwise, see “Mechanical emergency lid opening“ (page 6)
"system check"
LED is alight,
E-19,
intermittent
tone During the self-test after
switching on the centri-
fuge.
Incorrect NV-RAM or keypad.
"system check"
LED is alight,
E-22,
intermittent
tone During the self-test after
switching on the centri-
fuge. NV-RAM parameter does not fit the processor.
"system check"
LED is alight,
E-23,
intermittent
tone Appliance does not start
or is slowing down with-
out deceleration. Lack of cooling water;
main contactor has returned to rest position or does not re-
spond.
Failure of a mains phase, check the power fuses.
Turn the appliance off and on again.
If the fault continues, request customer service.
"system check"
LED is alight,
E-24,
intermittent
tone During the self-test after
switching on the centri-
fuge. NV-RAM 2 missing.