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BT37 MarkII: Service Manual MA200606 1.0.0
Table of contents
3.7 Fuse ............................................................................................................................... 49
3.8 Gas valve replacement ................................................................................................ 51
3.9 Battery .......................................................................................................................... 53
3.10 Humidifier ..................................................................................................................... 54
3.11 Left humidifier pcb ...................................................................................................... 56
3.12 Right humidifier pcb .................................................................................................... 57
3.13 Lower heater plate ...................................................................................................... 58
3.14 Upper heater plate ...................................................................................................... 62
3.15 Mains inlet filter ........................................................................................................... 67
3.16 Motherboard ................................................................................................................ 71
3.17 Display ........................................................................................................................... 75
3.18 Power supply ................................................................................................................ 76
3.19 Hinge adjustment ......................................................................................................... 82
3.20 Presetting rotary damper ........................................................................................... 85
4. Maintenance and trouble shooting 89
4.1 Fault finding ................................................................................................................. 90
4.2 Gas leak test ................................................................................................................. 97
4.3 Maintenance schedules ............................................................................................... 99
4.3.1 12 months ............................................................................................................... 99
4.3.2 Three year ............................................................................................................ 101
4.3.3 Seven year ............................................................................................................ 101
5. Condensation 103
6. Programming the BT37 MarkII 105
7. Regular checks 109
8. General cleaning 111
9. Resetting the access code 113
10. Cleaning and disinfecting the chamber 115
11. Checking the liquid level indicator 117
12. Checking the battery 119
13. Calibration and servicing 121
14. Safety testing 123
15. Testing the alarms 125
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