TOC-2 Service Manual
2.2.1.5 Options Checks..............................................................................................................2-3
2.2.1.6 Nurse Call Checks ........................................................................................................2-4
2.2.2 Control Panel Checks.............................................................................................................2-4
2.2.3 Humidifier Check .....................................................................................................................2-5
2.2.4 Oxygen Leak Tests..................................................................................................................2-5
2.2.4.1 Oxygen Leak Test.........................................................................................................2-5
2.2.4.2 Vent Fitting to O2 Sensor Leak Test.....................................................................2-5
2.2.4.3 Supply Valve Leak Test..............................................................................................2-6
2.2.5 Scale Checks..............................................................................................................................2-7
2.2.5.1 Visual Inspection ..........................................................................................................2-7
2.2.5.2 Center Weight Check..................................................................................................2-7
2.2.5.3 Off Center Weight Check..........................................................................................2-7
Chapter 3: Calibration and Maintenance ......................................................3-1
3.1 Service Maintenance Schedule....................................................................................................3-1
3.2 Special Tools .........................................................................................................................................3-3
3.3 System Calibration.............................................................................................................................3-3
3.4 Humidifier Calibration.......................................................................................................................3-4
3.5 Servo Controlled Oxygen Calibration ........................................................................................3-5
3.6 Scale Calibration.................................................................................................................................3-5
3.7 Electrical Safety Tests.......................................................................................................................3-9
3.7.1 Ground....................................................................................................................................... 3-10
3.7.2 Earth Leakage and Chassis Leakage Current......................................................... 3-10
3.7.3 Leakage Current ................................................................................................................... 3-10
3.8 Line Voltage Calibration ............................................................................................................... 3-11
Chapter 4: Understanding the Service Interface .........................................4-1
4.1 Powering the Device .........................................................................................................................4-1
4.2 Accessing Service Mode..................................................................................................................4-1
4.2.1 Change Password...................................................................................................................4-2
4.2.2 Forgotten Passwords.............................................................................................................4-2
4.3 Understanding the Service Interface Layout.........................................................................4-3
4.4 Static Features.....................................................................................................................................4-3
4.4.1 Preheat.........................................................................................................................................4-3
4.4.2 Pedals............................................................................................................................................4-4
4.4.3 General Information...............................................................................................................4-4
4.5 Setup.........................................................................................................................................................4-4
4.6 Calibration..............................................................................................................................................4-5
4.7 Set Time...................................................................................................................................................4-5
4.8 Upgrade ..................................................................................................................................................4-6