4008 故障代码及分析.doc

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Content
1. Bypass test 3
2. Optical detector test 3
3. Blood system test 4
4. Venous pressure system test 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 missing.
F05 Bypass 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.
F06 Bypass CPU1 fails to set the temperature control to hot rinse.
– Control line (HOTRINSE, X634R/C24) → X639/A20, 12 V are missing.
– Acknowledgement (HOTRINSE, X634R/C24) → X632/A26, 12 V are missing.
F07 Bypass 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 missing.
F08 Bypass CPU1 fails to reset the temperature control to dialysis.
– Control line (HOTRINSE, X634R/C24) → X639/A20, 0 V are missing.
– Acknowledgement (HOTRINSE, X634R/C24) → X632/A26, 0 V are missing.
F09 Bypass 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.
F95 Bypass System error
Optical detector test
Test description:
Check of the acknowledgement of the optical detector.
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 . LP