Fresenius Medical Care 4008 E Technical Manual page 18

Error description:
Error message
F01 opt. Detector
F02 opt. Detector
F03 opt. Detector
F04 opt. Detector
F96 opt. Detector
Description
CPU1 interprets the optical detector in a different way than does CPU2.
– Acknowledgement (OD_OUT, X633L/C7) → X632/A30 and the
digital input of P.C.B. LP 633 measure different levels.
CPU2 fails to recognize blood in the system.
– Acknowledgement (OD_OUT, X633L/C7) → X632/A30, 0 V are
missing.
– Detuning (ODSA, X632/C15) → X351/7 not 12V.
CPU1 fails to recognize blood in the system.
– Acknowledgement (OD_OUT, X633L/C7) → digital input on P.C.B.
LP 633.
– Detuning (ODSA, X632/C15) → X351/7 not 12V.
CPU2 recognizes that the optical detector senses opaque fluid (re-
quired because of the test in the cleaning program).
– Acknowledgement X632/A30 not 12V.
– AD28 defective.
System error.
Fresenius Medical Care 4008 4/08.03 (TM)
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