771402-2 dopplex ABIlity Service Manual 3
9 Disassembly & Assembly .....................................................................................................................30
9.1 Tools Required .............................................................................................................................30
9.2 Case Front (SP-771054) Removal ................................................................................................31
9.3 Case Rear Removal .....................................................................................................................32
9.4 Base PCB (SP-7711067) Removal ...............................................................................................34
9.5 KEYPAD (SP-771335) REPLACEMENT .......................................................................................35
9.6 CONNECTOR REMOVAL/REPLACEMENT .................................................................................36
9.7 IEC MAINS INLET (SP-771499) REPLACEMENT.........................................................................37
9.8 Printer Door/Roller (SP-771535) Replacement ..............................................................................38
9.9 Printer Mechanism (SP-771537) Replacement ..............................................................................39
9.10 Fuse (SP-771539) replacement ....................................................................................................41
9.11 PSU Module (SP-771517) Replacement .......................................................................................42
9.12 Regulator PCB (SP-771551) Replacement ...................................................................................43
9.13 Pump (SP-771552) Replacement..................................................................................................44
9.14 Valve (SP-771505) Replacement ..................................................................................................45
9.15 Solenoid Valve (SP-771585) Replacement ...................................................................................45
9.16 Over Pressure PCB (SP-771507) Replacement ............................................................................46
9.17 Base PCB (SP-771067) Replacement ...........................................................................................47
9.18 Manifold (SP-771053) Replacement..............................................................................................48
9.19 REAL TIME CLOCK BATTERY (SP-771514) Replacement ..........................................................50
10 Safety Testing ......................................................................................................................................51
10.1 Product Classification ...................................................................................................................51
10.2 Electrical Safety Test: Mains Inlet to Enclosure Leakage Current ..................................................51
10.3 Electrical Safety Test: USB (Enclosure Leakage) Test ................................................................52
10.4 Electrical Safety Test: Printer (Enclosure Leakage) Test .............................................................53
11 Maintenance ........................................................................................................................................54
11.1 Automatic Service Prompt & Service Report .................................................................................54
11.2 Air Filter Replacement ..................................................................................................................54
11.3 Rechargeable Battery Conditioning or Replacement .....................................................................54
11.4 Cuffs .............................................................................................................................................55
11.5 General Inspection........................................................................................................................56
11.6 Real Time Clock Battery Check ....................................................................................................56
12 Performance Verification ......................................................................................................................57
12.1 Flow Test ......................................................................................................................................57
12.2 Leak Test .....................................................................................................................................58
12.3 ADC Check and Overpressure Reset Check .................................................................................58
12.4 Pressure Calibration .....................................................................................................................59
12.1 Printer Test ...................................................................................................................................59
12.2 Hardware Monitor Test .................................................................................................................60
13 Software Upgrade ................................................................................................................................60
13.1 Upgrade Utility User Instructions – Internet Method .......................................................................60
13.2 Upgrade Utility User Instructions – Non-Internet Method ...............................................................62
14 Fault Modes .........................................................................................................................................63
14.1 Introduction...................................................................................................................................63
14.2 Descriptive Faults .........................................................................................................................63
14.3 Internal Faults ...............................................................................................................................69
15 Spare Parts ..........................................................................................................................................72
15.1 Ordering Spare Parts ....................................................................................................................72
15.2 Spare Parts ..................................................................................................................................72
Issue History
Draft issue. Applicable to software V2.224.
Semi-automated service test functions included. Valid from
software version 2.235.