Cardiac Science ST 55 Service Manual page 6

Adjusting the Walking Belt.................................................................. 5-32
Belt Tension.................................................................................. 5-32
Walking Belt Tracking .................................................................. 5-33
Replacing the Emergency Stop Switch ................................................. 5-35
Replacing the Emergency Stop Cable................................................... 5-36
Calibration Procedures......................................................................... 5-37
Grade Potentiometer (Pot) Calibration ......................................... 5-37
Chapter 6: Troubleshooting
Diagnosis ............................................................................................... 6-2
Electrical Problems .......................................................................... 6-2
Electronic Problems......................................................................... 6-2
Mechanical Problems ...................................................................... 6-2
Tools ..................................................................................................... 6-3
Electrical Problems ................................................................................ 6-4
Electronic Problems ............................................................................... 6-5
Error Codes..................................................................................... 6-5
Mechanical Problems ............................................................................. 6-6
Walking belt.................................................................................... 6-6
Drive Belt........................................................................................ 6-6
Treadmill Noise .............................................................................. 6-7
Error Flow Charts .................................................................................. 6-8
Bus Voltage Flow Chart .................................................................. 6-9
Grade Error Flow Chart ................................................................ 6-10
Drive Motor Flow Chart ............................................................... 6-11
Communications Link Flow Chart................................................ 6-12
Grade Problems Flow Chart .......................................................... 6-13
Appendix A: Specifications
Cardiac Stress Treadmills Specifications.................................................A-2
Power Requirements ..............................................................................A-3
Speed Vs. Weight Range ........................................................................A-4
Appendix B: Part Numbers
Final Assemblies.....................................................................................B-2
Spares ....................................................................................................B-3
Placement of Spare Parts ........................................................................B-5
70-00298-01 A
Contents
Contents v