Passport 8/12 Service Manual 3
5.5.4 Enabling/Disabling Recorder......................................................................................................................................................5-15
5.5.5 Checking Software version .........................................................................................................................................................5-15
5.5.6 Checking Monitor information ..................................................................................................................................................5-15
6 Troubleshooting ................................................................................................................................................................ 6-1
6.1 Introduction ...................................................................................................................................................................................................... 6-1
6.2 Part Replacement ........................................................................................................................................................................................... 6-1
6.3 Checking Monitor Status ............................................................................................................................................................................. 6-1
6.4 Checking Software Version ......................................................................................................................................................................... 6-1
6.5 Checking Technical Alarms.......................................................................................................................................................................... 6-2
6.6 Troubleshooting Guide ................................................................................................................................................................................. 6-2
6.6.1 Power On/Off Failure ....................................................................................................................................................................... 6-2
6.6.2 Display Failures .................................................................................................................................................................................. 6-2
6.6.3 Alarm Lamp Failures ........................................................................................................................................................................ 6-3
6.6.4 Button and Knob Failures .............................................................................................................................................................. 6-3
6.6.5 Sound Failures .................................................................................................................................................................................... 6-4
6.6.6 Battery Failures .................................................................................................................................................................................. 6-4
6.6.7 Recorder Failures ............................................................................................................................................................................... 6-5
6.6.8 Output Interface Failure ................................................................................................................................................................. 6-5
6.6.9 Data Storage Failure ......................................................................................................................................................................... 6-6
6.6.10 Wired Network Related Problems ............................................................................................................................................ 6-6
6.6.11 Wi-Fi Related Problems ................................................................................................................................................................. 6-7
6.6.12 Module Failures ............................................................................................................................................................................... 6-9
6.6.13 Technical Alarm Messages .......................................................................................................................................................... 6-9
7 Disassembly and Repair.................................................................................................................................................... 7-1
7.1 Tools Required .................................................................................................................................................................................................. 7-1
7.2 Preparations for Disassembly ..................................................................................................................................................................... 7-1
7.3 Disassembling the Main Unit ..................................................................................................................................................................... 7-2
7.3.1 Separating the Front and Rear Half of the Monitor .............................................................................................................. 7-2
7.3.2 Disassembling Parameter Modules ............................................................................................................................................ 7-3
7.3.3 Removing the Parameter Connector Panel Assembly ........................................................................................................ 7-3
7.3.4 Removing the SpO
2
Board and Parameter Board ................................................................................................................. 7-3
7.3.5 Removing Pump and Valve ........................................................................................................................................................... 7-4
7.3.6 Removing the Recorder (Optional) ............................................................................................................................................ 7-4
7.3.7 Removing Battery Interface Board and Power Board (Passport 8) ................................................................................. 7-5
7.3.8 Removing the Battery Interface Board and Power Board (Passport 12) ....................................................................... 7-6
7.3.9 Removing the Power Management Board .............................................................................................................................. 7-7
7.3.10 Removing the Interface Board (Passport 8) .......................................................................................................................... 7-8
7.3.11 Removing the Interface Board (Passport 12) ....................................................................................................................... 7-8
7.4 Disassembling the Front Housing Assembly ........................................................................................................................................ 7-8
7.4.1 Removing Touchscreen Control Board ..................................................................................................................................... 7-9
7.4.2 Removing the Wi-Fi Module ......................................................................................................................................................... 7-9
7.4.3 Removing SD Card ..........................................................................................................................................................................7-10
7.4.4 Removing the Main Control Board ...........................................................................................................................................7-10
7.4.5 Removing the Touchscreen .........................................................................................................................................................7-11
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