Fresenius Medical Care 4008 S Service Manual

Chapter 7: Error messages
7-2 Fresenius Medical Care 4008 S (Version V10) SM-EN 7/01.13
7.1.3 Opt. detector test
F05 Bypass The extended bypass cannot be correctly switched off by CPU2
(V24 = on, V26 = off, V24B = on).
– Acknowledgement (V24, X637/C1)  X632/A4 not 0 V
– Acknowledgement (V26, X637/C2)  X632/A6 not 24 V
– Acknowledgement (V24B, X637/C23)  X632/A5 not 0 V
F06 Bypass CPU1 fails to set the temperature control to hot rinse.
– Control line (HOTRINSE, X634R/C24)  X639/A20 not 12 V
– Acknowledgement (HOTRINSE, X634R/C24)  X632/A26 not 12 V
F07 Bypass The extended bypass cannot be correctly switched by CPU1
(V24 = off, V26 = on, V24B = off).
– Acknowledgement (V24, X637/C1)  X632/A4 not 24 V
– Acknowledgement (V26, X637/C2)  X632/A6 not 0 V
– Acknowledgement (V24B, X637/C23)  X632/A5 not 24 V
F08 Bypass CPU1 fails to reset the temperature control to dialysis.
– Control line (HOTRINSE, X634R/C24)  X639/A20 not 0 V
– Acknowledgement (HOTRINSE, X634R/C24)  X632/A26 not 0 V
F09 Bypass The extended bypass cannot be correctly switched off by CPU1
(V24 = on, V26 = off, V24B = on).
– Acknowledgement (V24, X637/C1)  X632/A4 not 0 V
– Acknowledgement (V26, X637/C2)  X632/A6 not 24 V
– Acknowledgement (V24B, X637/C23)  X632/A5 not 0 V
F95 Bypass System error
Error message Description
F01 opt. Detector 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 633-5 measure different levels
F02 opt. Detector CPU2 fails to recognize blood in the system.
– Acknowledgement (OD_OUT, X633L/C7)  X632/A30 not 0 V.
– Detuning (ODSA, X632/C15)  X351/7 not 12 V.
F03 opt. Detector CPU1 fails to recognize blood in the system.
– Acknowledgement (OD_OUT, X633L/C7)  and the digital input of
P.C.B. LP 633-5
– Detuning (ODSA, X632/C15)  X351/7 not 12 V.
F04 opt. Detector CPU2 recognizes that the optical detector senses opaque fluid
(required because of the test in the cleaning program).
– Acknowledgement X632/A30 not 12 V.
– AD28 defective
F95 opt. Detector System error
Error message Description

Fresenius Medical Care 4008 S Specifications

General

Brand	Fresenius Medical Care
Model	4008 S
Category	Medical Equipment
Language	English