Fresenius Medical Care 4008 S Service Manual

Chapter 7: Error messages
7-8 Fresenius Medical Care 4008 S (Version V10) SM-EN 7/01.13
7.1.7 Display test
7.1.8 Art. pressure system test
7.1.9 Battery test
Error message Description
F01 Display CPU1 failed to start the display test within 5 seconds.
– The “test started” information transmitted via the serial interface is missing
F02 Display CPU1 failed to complete the display test within 120 seconds.
– The “Test passed” information transmitted via the serial interface is missing
F95 Display System error
Error message Description
F01 Arterial With detuning in negative direction, the change achieved on the arterial display
is less than 100 mmHg (2 seconds).
– Acknowledgement (P_ART, X348A/7)  X633L/B12, insufficient voltage
change
– Test detuning defective (PA_DET, X632/A17)  X348A/9
F02 Arterial With detuning in positive direction, the change achieved on the arterial display
is less than 100 mmHg (2 seconds).
– Acknowledgement (P_ART, X348A/7)  X633L/B12, insufficient voltage
change
– Test detuning defective (PA_DET, X632/A17)  X348A/9
F95 Arterial System error
Error message Description
F01 Battery CPU1 failed to complete the battery test within 5 seconds.
– The “Test passed” information transmitted via the serial interface is missing
F02 Battery The battery charge is insufficient for emitting an audible alarm over 1 min
(maybe no battery connected).
– The battery voltage (U_ACCU, ...)  X633L/B21 dropped below 17.6 V.
– Acknowledgement (U_ACCU, ...)  X633L/B21 of the battery voltage
defective.
F03 Battery Test circuit on P.C.B. LP 639 defective.
– The test level is incorrect (TESTBATT, X634R/C23)  X639/A10, no 12 V
pulse (100 ms)
– Fuse in the base is defective
– R39 on P.C.B. LP 647 defective, possibly caused by flickering power supply
unit
F95 Battery System error

Fresenius Medical Care 4008 S Specifications

General

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