Fresenius Medical Care 4008 E Technical Manual page 16

Error description:
Error message
F 01 Bypass
F 02 Bypass
F 03 Bypass
F 04 Bypass
F 05 Bypass
F06 Bypass
F 07 Bypass
F08 Bypass
F09 Bypass
F95 Bypass
Description
The heater relay is switched off.
– Acknowledgement (H_REL_W, X639/A12) → X632/A10, 0 V are
missing.
The heater relay cannot be switched off by CPU2.
– Acknowledgement (H_REL_W, X639/Y12) → X632/A10, 12 V are
missing.
– Control line (EM_H_OFF, X632/A9) → X639/A17, 12 V are missing.
The temperature measurement range is set to hot rinse.
– Control line (HOTRINSE, X634R/C24) → X639/A20, 0 V are miss-
ing.
– Acknowledgement (HOTRINSE, X634R/C24) → X632/A26, 0 V are
missing.
The extended bypass cannot be correctly switched by CPU2 (V24 = off,
V26 = on, V24B = off).
– Acknowledgement (V24, X637/C1) → X632/A4, 24 V are missing.
– Acknowledgement (V26, X637/C2) → X632/A6, 0 V are missing.
– Acknowledgement (V24B, X637/C23) → X632/A5, 24 V are miss-
ing.
The extended bypass cannot be correctly switched off by CPU2 (V24 =
on, V26 = off, V24B = on).
– Acknowledgement (V24, X637/C1) → X632/A4, 0 V are missing.
– Acknowledgement (V26, X637/C2) → X632/A6, 24 V are missing.
– Acknowledgement (V24B, X637/C23) → X632/A5, 0 V are missing.
CPU1 fails to set the temperature control to hot rinse.
– Control line (HOTRINSE, X634R/C24) → X639/A20, 12 V are miss-
ing.
– Acknowledgement (HOTRINSE, X634R/C24) → X632/A26, 12 V
are missing.
The extended bypass cannot be correctly switched by CPU1 (V24 = off,
V26 = on, V24B = off).
– Acknowledgement (V24, X637/C1) → X632/A4, 24 V are missing.
– Acknowledgement (V26, X637/C2) → X632/A6, 0 V are missing.
– Acknowledgement (V24B, X637/C23) → X632/A5, 24 V are miss-
ing.
CPU1 fails to reset the temperature control to dialysis.
– Control line (HOTRINSE, X634R/C24) → X639/A20, 0 V are miss-
ing.
– Acknowledgement (HOTRINSE, X634R/C24) → X632/A26, 0 V are
missing.
The extended bypass cannot be correctly switched off by CPU1 (V24 =
on, V26 = off, V24B = on).
– Acknowledgement (V24, X637/C1) → X632/A4, 0 V are missing.
– Acknowledgement (V26, X637/C2) → X632/A6, 24 V are missing.
– Acknowledgement (V24B, X637/C23) → X632/A5, 0 V are missing.
System error
Fresenius Medical Care 4008 4/08.03 (TM)
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