Weinmann BiLevel-ST VENTImotion WM 24800, Service And Repair Instructions

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Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2. Description of device . . . . . . . . . . . . . . . . . . . . 10
2.1 Intended use for VENTI motion / VENTI logic . 10
2.2 Functional description . . . . . . . . . . . . . . . 10
– Provision of therapy pressure
– Therapy modes
– Other functions
3. Hygiene treatment . . . . . . . . . . . . . . . . . . . . . 11
3.1 Cleaning and disinfecting in use . . . . . . . . 11
3.2 Cleaning and disinfecting on repair . . . . . 11
3.3 Cleaning and disinfecting for a
patient change . . . . . . . . . . . . . . . . . . . 11
3.4 Clean and disinfect humidifier during use . . 12
3.5 Clean and disinfect humidifier on patient
change . . . . . . . . . . . . . . . . . . . . . . . . 12
3.6 Clean and disinfect the VENTI power . . . . . 12
3.7 Clean and disinfect the VENTI- O
2
. . . . . . . 12
4. Test the device . . . . . . . . . . . . . . . . . . . . . . . . 13
4.1 General . . . . . . . . . . . . . . . . . . . . . . . . 13
4.2 Test equipment . . . . . . . . . . . . . . . . . . . 13
4.3 Preparation for testing . . . . . . . . . . . . . . . 13
– Check power supply cable
– Check housing
– Connection to VENTI support
4.4 Enter device data . . . . . . . . . . . . . . . . . 14
4.5 Test temperature calibration and
calibration status . . . . . . . . . . . . . . . . . . 14
4.6 Test battery voltage . . . . . . . . . . . . . . . . 15
4.7 Test interface with the VENTI click . . . . . . . 15
4.8 Check target pressure values
5, 20 and 35 hPa . . . . . . . . . . . . . . . . . 15
4.9 Test flow measurement . . . . . . . . . . . . . . 16
4.10 Test leaktightness . . . . . . . . . . . . . . . . . 17
4.11 Test clock function . . . . . . . . . . . . . . . . . 17
4.12 Test the interface with the VENTI- O
2
. . . . . 18
4.13 Test interface with the VENTI power . . . . . 18
4.14 Test noise . . . . . . . . . . . . . . . . . . . . . . 19
4.15 Test all keys, the rotary knob and
115 V mode . . . . . . . . . . . . . . . . . . . . 19
4.16 Test display incl. backlighting and
contrast, the LEDs and the alarm . . . . . . . 20
4.17 Test equipment and accessories
(system components) . . . . . . . . . . . . . . . 21
– Check function of humidifier
– Function check VENTI- O
2
4.18 Once tests are complete . . . . . . . . . . . . . 22
5. Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . 23
5.1 Intervals . . . . . . . . . . . . . . . . . . . . . . . . 23
5.2 Filter change . . . . . . . . . . . . . . . . . . . . . 24
– Coarse dust filter
– Fine filter
– Reset filter change indicator
– Bacteria filter
5.3 Device cleaning . . . . . . . . . . . . . . . . . . 25
5.4 Reset maintenance symbol . . . . . . . . . . . . 26
5.5 Check the maintenance sticker . . . . . . . . . 27
5.6 Disposal . . . . . . . . . . . . . . . . . . . . . . . 27
6. Malfunctions and rectification . . . . . . . . . . . . . 28
6.1 General faults. . . . . . . . . . . . . . . . . . . . 28
6.2 Internal faults . . . . . . . . . . . . . . . . . . . . 29
– Fault output in clear text
– Coded error messages
7. Repairguide for VENTI motion /VENTI logic . . . . 31
7.1 General . . . . . . . . . . . . . . . . . . . . . . . 31
7.2 Open device . . . . . . . . . . . . . . . . . . . . 31
7.3 Close the device . . . . . . . . . . . . . . . . . . 32
7.4 Replace mains supply unit. . . . . . . . . . . . 33
7.5 Replace power board . . . . . . . . . . . . . . 34
7.6 Replace box and filter holder. . . . . . . . . . 35
7.7 Replace fan . . . . . . . . . . . . . . . . . . . . . 37
7.8 Replace control board/display . . . . . . . . 39
7.9 Replace battery on control board . . . . . . . 42
7.10 Dismantle device outlet . . . . . . . . . . . . . 42
7.11 Replace encoder (dial) . . . . . . . . . . . . . 44
7.12 Replace fascia film . . . . . . . . . . . . . . . . 45
7.13 Replace bottom part of housing. . . . . . . . 46
7.14 Replace top part of housing . . . . . . . . . . 47
8. Spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . 48
8.1 List of spare parts for
VENTI motion /VENTI logic . . . . . . . . . . . . 48
8.2 Spare parts required for servicing. . . . . . . 51
9. Tools, test equipment and disinfectants . . . . . . 53
9.1 Tools . . . . . . . . . . . . . . . . . . . . . . . . . 53
9.2 Test equipment and fixtures . . . . . . . . . . . 53
9.3 Disinfectants . . . . . . . . . . . . . . . . . . . . . 54
10. Technical data . . . . . . . . . . . . . . . . . . . . . . . . 55
10.1 Diagram of pneumatic system . . . . . . . . . 57
10.2 Safety distances . . . . . . . . . . . . . . . . . . 57
11. Technical amendments . . . . . . . . . . . . . . . . . . 58
12. Protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
12.1 Repair and service protocol . . . . . . . . . . 59
12.2 Test protocol . . . . . . . . . . . . . . . . . . . . 60