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Cardiac Science ST 55 Service Manual

Stress treadmills
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70-00298-01 A
Service Manual
Cardiac Stress Treadmills

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  Summary of Contents for Cardiac Science ST 55

  • Page 1 70-00298-01 A Service Manual Cardiac Stress Treadmills...
  • Page 2 ARDIAC TRESS READMILLS ERVICE ANUAL 70-00298-01 A...
  • Page 3 Liability Notice Failure to follow the conditions set forth below shall limit, to the extent allowed by law, Cardiac Science Corporation responsibility for the safety, reliability, and performance of this equipment: The operator manual must be read in full by each operator before the product is first used.
  • Page 4: Table Of Contents

    Contents Contents Chapter 1: Safety Safety Terms and Definitions..............1-2 Warnings and Cautions ................. 1-3 Safety Notes................... 1-6 Symbol Definitions................1-7 EMC Declaration Tables ............... 1-9 Electromagnetic Emissions .............. 1-9 Electronic Immunity ..............1-10 Recommended Separation Distances ..........1-12 Chapter 2: Introduction Controls....................
  • Page 5 Contents Vacuuming Under the Treadmill Hood ..........4-3 Frequency..................4-3 Replacement Schedules ................4-3 Electrical Testing ................... 4-3 Chapter 5: Repair/Replacement and Calibration Electrical Shock..................5-2 Burns ..................... 5-2 Mechanical Hazards ................5-2 Tools...................... 5-3 Removing the Treadmill Hood .............. 5-4 Replacing the Configuration Plate ............
  • Page 6 Contents 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 ................
  • Page 7 Contents Appendix C: Drawings Wiring Diagrams .................. C-1 Appendix D: Diagrams Wiring Diagram, Low Voltage Treadmill..........D-2 Wiring Diagram, High Voltage Treadmill ..........D-3 Contents 70-00298-01 A...
  • Page 8 Before servicing the treadmill, read the safety requirements specified in this chapter. Use this manual only when servicing Cardiac Science Stress treadmills. Do not use it for other treadmills. TM 55/65 Treadmill 4.0...
  • Page 9: Safety Terms And Definitions

    Safety Safety Terms and Definitions The symbols shown below identify potential hazard categories. The definition of each category is as follows: WARNING! This alert identifies hazards that may cause serious personal injury or death. Caution. This alert identifies hazards that may cause minor personal injury, product damage, or property damage.
  • Page 10: Warnings And Cautions

    Warnings and Cautions Warnings and Cautions Before operating any treadmill, ensure the following warnings and cautions are understood and followed. WARNING! The treadmill must be on an appropriate, dedicated electrical circuit with a power rating that meets the electrical specification on the treadmill serial number label. Nothing else should be connected to the circuit.
  • Page 11 Safety Caution Increased risk due to leakage current can result if this equipment is not grounded properly. Caution To avoid potential safety and electrical problems, use parts and accessories that meet specifications as noted in this user guide and the user guide for your stress monitor. Caution When connecting auxiliary equipment approved for use with the monitoring system, be certain the summation leakage current does not exceed local or provincial standards.
  • Page 12 Warnings and Cautions Caution If this treadmill is equipped with the rapid deceleration profile, it is specifically designed to come to a rapid stop. This feature requires that attendant(s) are available to support and assist the patient user. Attendants MUST be in a position to support and assist the patient when the belt stops.
  • Page 13: Safety Notes

    Safety Safety Notes This equipment is classified Class I, Type B, ordinary equipment, not protected against fluid ingress. It is rated for continuous operation. Note: Use of accessories or cables other than those specified, with the exception of accessories or cables sold by the manufacturer as replacement parts for internal components, may result in increased emissions or decreased immunity of the treadmill.
  • Page 14: Symbol Definitions

    Symbol Definitions Symbol Definitions Your treadmill may display one or more of the following symbols and warning labels for your protection. No single product displays all. Attention: Consult accompanying Earth ground (protective) documents Type B equipment— provides adequate protection against electric shock, Off (power particularly regarding...
  • Page 15 Safety Mains power Equipotentiality Down Faster Slower Warning Timed fuse (slo-blo) Fragile: Do not lift in this USB Connector location 160-0169-001 Rev A Hertz Volts Amperes Volt Amperes This is the CE marking of conformity indicating that the device having this symbol on its immediate label meets the applicable requirements of the European Medical Device Directive.
  • Page 16: Emc Declaration Tables

    EMC Declaration Tables EMC Declaration Tables This section lists EMC Declaration Tables. ◆ The Cardiac Stress Treadmill requires special precautions regarding EMC and must be installed and put into service according to the guidelines of the EMC declaration tables. ◆ Portable and mobile RF communications equipment may affect the Cardiac Stress Treadmill and the recommended separation distances in the EMC declaration tables should be observed.
  • Page 17: Electronic Immunity

    Safety Electronic Immunity Cardiac Stress Treadmills are intended for use in the electromagnetic environment specified below. The customer or user of this equipment must ensure it is used in such an environment. Table 1-2: Guidance and Manufacturer's Declaration - Electromagnetic Immunity IEC 60601 Compliance Electromagnetic Environment -...
  • Page 18 EMC Declaration Tables Table 1-2: Guidance and Manufacturer's Declaration - Electromagnetic Immunity IEC 60601 Compliance Electromagnetic Environment - Immunity Test test level Level Guidance Power frequency Power frequency magnetic fields should (50/60 Hz) be at levels characteristic of a typical 3 A/m 3 A/m Magnetic field...
  • Page 19: Recommended Separation Distances

    Safety Table 1-3: Guidance and Manufacturer's Declaration - Electromagnetic Immunity Immunity IEC 60601 Compliance Test test level Level Electromagnetic Environment - Guidance At 80 MHz and 800 MHz, the higher frequency range applies. Note: These guidelines may not apply in all situations. Electromagnetic propagation is affected Note: by absorption and reflection from structures, objects and people.
  • Page 20 EMC Declaration Tables Table 1-4: Recommended Separation Distances Separation distance according to frequency of transmitter (m) Rated maximum 150 kHz to 80 MHz 80 MHz to 800 MHz 800 MHz to 2.5 GHz output power of transmitter 1.2 P 1.2 P 2.3 P For transmitters rated at a maximum output power not listed above, the recommended Note:...
  • Page 21 Safety 70-00298-01 A TM 55/65 Treadmill 4.0 1-14...
  • Page 22 Introduction Contents ◆ Controls ◆ Indicators ◆ Installation Cardiac Stress medical treadmills are designed specifically for stress test applications. The treadmills are not intended to operate independently or with a treadmill controller. They are designed for use in conjunction with the stress family of exercise test devices (referred to in this manual as the stress monitor).
  • Page 23: Controls

    Introduction Controls Operation The treadmill must be connected to the stress monitor. Except for the emergency stop button, all commands, including walking belt power, speed, grade, and protocol, are entered from the stress monitor. All patient data appears on the stress monitor screen. Power The treadmill must be plugged into a dedicated power outlet.
  • Page 24: Indicators

    Indicators Indicators There are no visual indicators on the treadmill. All patient responses and warnings appear on the stress monitor screen. Installation Complete treadmill installation procedures, including site requirements, are given in Appendix C of the Cardiac Stress Treadmill User Guide (P/N 042101-00x). TM 55/65 Treadmill 4.0 70-00298-01 A...
  • Page 25 Introduction 70-00298-01 A TM 55/65 Treadmill 4.0...
  • Page 26 Theory of Operation Contents ◆ Overview ◆ Stress Monitor to Treadmill Interface ◆ Headframe Assembly ◆ Deck and Roller Assembly TM 55/65 Treadmill 4.0 70-00298-01 A...
  • Page 27: Overview

    Theory of Operation Overview The treadmill consists of two subassemblies: the headframe and the deck and roller assembly. The stress monitor, which is attached by cable to the treadmill, functions as the user interface. The user enters all treadmill commands through the stress monitor system with the information appearing on the monitor’s display.
  • Page 28: Headframe Assembly

    Headframe Assembly Headframe Assembly The headframe assembly consists of the following components: ◆ Input power module ◆ Drive board assembly ◆ Transformer assembly ◆ Drive motor assembly ◆ Grade motor assembly ◆ Grade system consisting of a pinion shaft, rack gears, feedback potentiometer, and limit switches.
  • Page 29: Grade Motor Assembly And System

    Theory of Operation Grade Motor Assembly and System The grade motor drives the grade pinion shaft using a chain and a set of speed reduction sprockets. The grade pinion shaft in turn drives a set of rack gears, which raise and lower the front of the treadmill.
  • Page 30 Preventative Maintenance Contents ◆ Recommended Service ◆ Routine Maintenance ◆ Cleaning the Treadmill Surfaces ◆ Vacuuming Under the Treadmill Hood ◆ Replacement Schedules ◆ Electrical Testing WARNING! Before working on the treadmill or its components, turn off the treadmill circuit breaker and unplug the power cords.
  • Page 31: Recommended Service

    Preventative Maintenance Recommended Service Routine service is necessary every six (6) months. When service is required, repairs can be done to the modular level. Routine Maintenance Visual Inspection ◆ Inspect the treadmill power cord for wear. Inspect all connector cables and the power receptacle.
  • Page 32: Vacuuming Under The Treadmill Hood

    Vacuuming Under the Treadmill Hood Vacuuming Under the Treadmill Hood Dust and dirt beneath the hood can restrict the air flow needed to cool the unit and dissipate heat from the drive motor and drive board on the AC Drive Module. To prevent damage to components, periodically vacuum the mechanical drive and the area behind the AC Drive Module.
  • Page 33 Preventative Maintenance 70-00298-01 A TM 55/65 Treadmill 4.0...
  • Page 34 Repair/Replacement and Calibration Contents ◆ Electrical Shock ◆ Burns ◆ Mechanical Hazards ◆ Tools ◆ Removing the Treadmill Hood ◆ Replacing the Configuration Plate ◆ Replacing the Power Cord ◆ Replacing the AC Drive Module ◆ Bus Recovery System (BRS) 5-10 ◆...
  • Page 35: Electrical Shock

    Repair/Replacement and Calibration Electrical Shock WARNING! Shock hazard. High voltage is present beneath the treadmill hood while the treadmill is connected to a power source. Residual high voltages remain for a few minutes after the plug is removed. To prevent high-voltage electrical shock: ◆...
  • Page 36: Tools

    Tools Tools ◆ Phillips and flat blade screwdrivers ◆ Hex wrenches: 5/32 in., 9/16 in., 7/16 in., 1/2 in., 5/16 in. ◆ 11/32 in. nut driver ◆ Heyco® strain relief pliers for replacing power cord (low voltage units only) ◆ 1/2 in.
  • Page 37: Removing The Treadmill Hood

    Repair/Replacement and Calibration Removing the Treadmill Hood If the preamp for the Q-Stress system is attached to the handrail, remove the preamp from the handrail before attempting to remove the hood. Turn off the circuit breaker on the treadmill hood, then unplug the treadmill and the stress monitor from the power outlets.
  • Page 38: Tm 55/65 Treadmill 4.0 70-00298-01 A

    Removing the Treadmill Hood Recommended: Vacuum the internal components before replacing the hood or applying power. Use caution near the AC Drive Module. Do not vacuum the drive board on the AC Drive Module. Rack Gear Grade Motor AC Drive Module Front Roller Drive Motor Walking Belt...
  • Page 39: Replacing The Configuration Plate

    Repair/Replacement and Calibration Replacing the Configuration Plate On low voltage units, the configuration plate module includes the power cord, which is attached to the plate. On high voltage units, the power cord is removable and is not part of the configuration plate module. Remove the power cords and treadmill hood as described in Removing the Treadmill Hood...
  • Page 40: Replacing The Power Cord

    Replacing the Power Cord Replacing the Power Cord Hard-wired Cords on Low Voltage Units Tools: Heyco® strain relief hand pliers Remove the configuration plate as described on the previous page. Use strain relief pliers to squeeze the strain relief on the power cord and pull it free of the configuration plate.
  • Page 41: Replacing The Ac Drive Module

    Repair/Replacement and Calibration Replacing the AC Drive Module The AC Drive Module with treadmill drive board must be replaced as a unit. Remove the treadmill hood and power as described in Removing the Treadmill Hood page 5-4. WARNING! Electric shock hazard. To prevent high voltage electrical shock: Before working on or around any electrical or mechanical component under the hood, wait at least two minutes from the time you unplug the power cord and be sure the red LEDs on the drive board on the AC Drive Module are off.
  • Page 42 Replacing the AC Drive Module Digital Interface Board (TM Model Only) AC Drive Module BRS Resistors Remove the four Phillips screws securing the AC Drive Module. Remove the AC Drive Module and return it to with an authorized return number to authorized technical support.
  • Page 43: Bus Recovery System (Brs)

    Repair/Replacement and Calibration Bus Recovery System (BRS) The Bus Recovery System (BRS) uses a bleeder resistor to protect the treadmill from high voltage damage when the treadmill is used at high grade. Two gold BRS resistors are wired together, then wired to a connector that plugs into the AC Drive Module.
  • Page 44: Replacing The Tensioner

    Replacing the Tensioner Replacing the Tensioner The tensioner may need to be replaced if the poly-V drive belt slips, if the idler pulley bearing makes noise, or if the tensioner roller is damaged. WARNING! Compressed springs. Do not attempt to disassemble the tensioner. The internal springs are tightly compressed and could cause injury if released.
  • Page 45 Repair/Replacement and Calibration Use either a 15/16 in. open-end wrench or a large adjustable wrench to turn the large nut on the tensioner counter-clockwise; put tension on the poly-V drive belt until the two lines on the tensioner line up (see figure below). Tighten the 3/8 in. bolt to 19 foot-pounds torque.
  • Page 46: Replacing The Poly-V Drive Belt

    Replacing the Poly-V Drive Belt Replacing the Poly-V Drive Belt Remove the treadmill hood and power as described in Removing the Treadmill Hood page 5-4. Caution! Damage to drive belt. The drive belt tensioner is spring loaded. Do not let it snap closed after removing the drive belt.
  • Page 47: Replacing The Drive Motor

    Repair/Replacement and Calibration Replacing the Drive Motor Replace the drive motor when the motor is inoperative: see Drive Motor Flow Chart page 6-11. Remove the treadmill hood and power as described in Removing the Treadmill Hood page 5-4. Release the drive belt tensioner and remove the poly V-belt from the motor drive pulley as previously described on page 5-13.
  • Page 48 Replacing the Drive Motor align the outside face of the motor drive pulley to within 0.020 inch. Tighten the setscrews. Replace the poly drive V-belt as previously described on page 5-13. If no other service is required, replace the treadmill hood as described in step 9 on page 5-4.
  • Page 49: Replacing The Transformer

    Repair/Replacement and Calibration Replacing the Transformer Remove the treadmill hood and power as described in Removing the Treadmill Hood page 5-4. Unplug the transformer wires from the configuration plate PCBA board. Note the wire colors and connection points. Cut the plastic cable ties that secure the transformer wiring.
  • Page 50: Replacing The Grade Motor

    Replacing the Grade Motor Replacing the Grade Motor Important: Place a clean sheet of cardboard or a clean rag on the treadmill deck before starting this procedure. Do not elevate the treadmill. Block the treadmill headframe securely with wooden blocks to ensure that the treadmill will not drop when you remove the grade motor.
  • Page 51: Replacing The Grade Motor Chain

    Repair/Replacement and Calibration Replacing the Grade Motor Chain Pinion Shaft Chain Grade Motor Block the treadmill headframe securely with wooden blocks to ensure that the treadmill will not drop when you remove the grade motor. Use a flathead screwdriver to pop off the C-clip master link on the chain. Slide out the master link.
  • Page 52: Replacing The Grade Potentiometer (Pot)

    Replacing the Grade Potentiometer (Pot) Replacing the Grade Potentiometer (Pot) Remove the treadmill hood and power as described in Removing the Treadmill Hood page 5-4. Use caution throughout the following steps. Remove the two screws from the support bracket. Cut the cable ties. Unplug the cable from the AC Drive Module.
  • Page 53: Grade Pot Wires

    Repair/Replacement and Calibration Grade Pot Wires At the end of each grade pot wire is a pin with a small metal flange. The flange has a corresponding slot on the connector housing. (W3, BLK) (W1, RED) (W2, WHT) X-END Y-END Insert each pin into the connector housing until it clicks slightly.
  • Page 54: Removing The Rack Gears

    Removing the Rack Gears Removing the Rack Gears If the treadmill will change grade, set the grade to 12% (6-7°). Lower the front of the headframe onto 6-inch wooden blocks to take the weight off the wheels. Remove the treadmill hood and power as described in Removing the Treadmill Hood page 5-4.
  • Page 55: Reassembling The Rack Gears

    Repair/Replacement and Calibration Reassembling the Rack Gears Install new rack gears at the same time so that they extend an equal distance through the headframe. Restore power to the treadmill. Loosen the setscrew that secures the grade potentiometer gear and remove the gear. Insert rack gears into headframe.
  • Page 56: Replacing A Jammed Rack Gear

    Replacing a Jammed Rack Gear Replacing a Jammed Rack Gear Remove the treadmill hood and power as described in Removing the Treadmill Hood page 5-4. Block the headframe securely with wooden blocks to take the weight off the wheels. Shake each gear lightly at the top to determine which rack gear is jammed. If there is no play in a rack gear, it is jammed.
  • Page 57: Replacing The Pinion Shaft

    Repair/Replacement and Calibration Replacing the Pinion Shaft Remove the deck assembly, (see Removing the Deck Assembly from Headframe page 5-29) then remove the rack gear as previously described for jammed rack gears on page 5-23. Restore power to the treadmill, then use the grade motor to turn the pinion shaft until the setscrew on the sprocket is visible.
  • Page 58 Replacing the Pinion Shaft Unplug the treadmill. If no other service is required, replace the treadmill hood as described in step 9 on page 5-4. Replace the side bumpers. TM 55/65 Treadmill 4.0 70-00298-01 A 5-25...
  • Page 59: Adjusting The Grade Limit Switches

    Repair/Replacement and Calibration Adjusting the Grade Limit Switches Grade limit switches prevent the treadmill from exceeding the preset maximum grade. When a roller on the limit switch reaches a trigger in each rack gear, a lever moves inward, opening the switch and stopping the grade motor. Two grade limit switches, one on each side of the treadmill, are mounted on brackets attached to the front of the headframe.
  • Page 60: Walking Deck Assembly

    Walking Deck Assembly Walking Deck Assembly Front (Drive) Roller Deck Fasteners 10-32 x 2.50L Flat Washer, far side Lock Nut, far side Bumper (Removed) End Cap LH, this side Socket Screws 1/4-20 x 1.50L F.W. Retainer Bolts (Step 7) 5/6-18 x 1.25L Setscrew Flat Washer 1/4-20 x 0.625L...
  • Page 61: Replacing Rollers

    Repair/Replacement and Calibration Replacing Rollers Remove the treadmill hood and power as described in Removing the Treadmill Hood page 5-4. Remove optional siderails. Remove the poly-V drive belt as previously described page 5-13. Loosen the four Phillips screws securing the rear roller guards. (Four wing nuts hold the screws in place on the underside of the treadmill.) Remove the end caps from both sides of the belt at the rear of the walking platform.
  • Page 62: Removing The Deck Assembly From Headframe

    Removing the Deck Assembly from Headframe Removing the Deck Assembly from Headframe The following steps are oriented as though you were exercising on the treadmill. Elevate the treadmill to 10% grade. Remove the front and rear rollers as previously described in Replacing Rollers page 5-28.
  • Page 63: Replacing The Walking Belt

    Repair/Replacement and Calibration Replacing the Walking Belt Remove the walking belt (see Removing the Deck Assembly from Headframe page 5-29). Note: When you install a new belt, verify that the closed end of the splice on the walking belt hits the roller first as the belt rotates. Belt travel direction Rear roller Front roller...
  • Page 64: Removing The Deck

    Removing the Deck Removing the Deck Remove the deck assembly including front and rear roller assemblies as previously described in Removing the Deck Assembly from Headframe on page 5-29. Remove the Phillips screws holding the deck to the deck frame, then remove the deck. Note: The two front screws are longer and attach to the drive pulley cover underneath the treadmill.
  • Page 65: Adjusting The Walking Belt

    Repair/Replacement and Calibration Adjusting the Walking Belt Belt Tension Adjust the walking belt tension: Whenever the belt slips or moves unsteadily during operation. After installing a new walking belt. Each time you remove or replace the walking belt or deck. Two adjustment methods are specified.
  • Page 66: Walking Belt Tracking

    Adjusting the Walking Belt Turn both tension adjustment screws clockwise until most of the slack is removed from the belt. Note: Do not stretch the walking belt at this point. Place two pieces of masking tape or two light pencil marks on the right edge of the belt exactly 50.000 inches apart.
  • Page 67 Repair/Replacement and Calibration Rear Roller Guard Adjustment Check the position of the rear roller guards each time you readjust the belt tracking or the belt tension. The roller guards are located at the rear of the treadmill between the rear roller and the deck.
  • Page 68: Replacing The Emergency Stop Switch

    Replacing the Emergency Stop Switch Replacing the Emergency Stop Switch Turn off the treadmill circuit breaker and disconnect the power cord from the outlet. Remove the seven screws from the switchbox cover and remove the cover. Handrail Cover Emergency Stop Button Strain relief at Elbow of Handrail (You may run the cable...
  • Page 69: Replacing The Emergency Stop Cable

    Repair/Replacement and Calibration Replacing the Emergency Stop Cable Turn off the treadmill circuit breaker and unplug the power cords. Remove the handrail cover. Remove the seven screws from the switchbox beneath the emergency stop button. Disconnect the cable from the switch and pass it through the hole in the handrail. Remove the strain relief located at the elbow of the handrail, grab the cable where it extends from the rail, and pull it out.
  • Page 70: Calibration Procedures

    Calibration Procedures Calibration Procedures Grade Potentiometer (Pot) Calibration Calibrate the grade pot whenever specified in the procedures in this chapter. Remove the treadmill hood and power as described in Removing the Treadmill Hood page 5-4. Restore power to the treadmill. Measure from the bottom of the siderail to the floor at both the front and rear of the treadmill.
  • Page 71 Repair/Replacement and Calibration Speed and Grade The circuitry in the treadmill is self-calibrating for speed and grade. No additional calibration is required. 70-00298-01 A TM 55/65 Treadmill 4.0 5-38...
  • Page 72 Troubleshooting Contents ◆ Diagnosis ◆ Tools ◆ Electrical Problems ◆ Electronic Problems ◆ Mechanical Problems ◆ Error Flow Charts TM 55/65 Treadmill 4.0 70-00298-01 A...
  • Page 73: Diagnosis

    Troubleshooting Diagnosis The tables and flow charts in this chapter cover the following potential problems. Electrical Problems ◆ Power ◆ Cable connections Electronic Problems ◆ AC Drive Module ◆ ◆ Signals Mechanical Problems ◆ Noise ◆ Vibration ◆ Grade ◆ Speed ◆...
  • Page 74: Tools

    Tools Tools The following tools may be required: ◆ Phillips and flatblade screwdrivers ◆ ½-inch hex wrench ◆ Mechanical stethoscope ◆ Digital multi-meter Warning! Shock hazard. High voltage is present under the hood when the treadmill is plugged into a power source; residual high voltage remains for a few minutes after the power is removed.
  • Page 75: Electrical Problems

    Troubleshooting Electrical Problems Table 6-1: Treadmill Does Not Start Possible Cause Action Treadmill not plugged in. Plug power cord into appropriate outlet. Circuit breaker on treadmill set to Set treadmill circuit breaker to On. Off. Contact building maintenance to reset circuit breaker. If circuit breaker trips again: Check outlet voltage.
  • Page 76: Electronic Problems

    Electronic Problems Electronic Problems Error Codes Error codes provide the first means of treadmill diagnostics. The treadmill performs an electronic self-test each time that it is powered up. If a problem is detected during either power-up or operation, an error code appears on the stress monitor. Note the code recorded by the owner and reference the table of error codes in the service manual for your stress monitor.
  • Page 77: Mechanical Problems

    Troubleshooting Mechanical Problems Mechanical problems can include noise and vibration caused by loose or worn parts. Use the following tables to diagnose mechanical failures. Walking belt Problem Action Walking belt slipping. Adjust walking belt tension (see Belt Tension on page 5-32). Walking belt not tracking.
  • Page 78: Treadmill Noise

    Mechanical Problems Treadmill Noise The following table provides a diagnostic summary of bearing noises, along with other noises that may indicate problems. Noise Possible Cause Action Knocking* or thumping. Rate Front or rear roller (pulley) increases and decreases with Isolate** and replace roller. assembly bearings.
  • Page 79: Error Flow Charts

    Troubleshooting Error Flow Charts Use the flow charts on the following pages for step-by-step troubleshooting. Error Code Flow Chart Page EPHI and EPLO Bus Voltage Flow Chart on page 6-9 E201 Grade Error Flow Chart on page 6-10 E203 (Drive Motor) Drive Motor Flow Chart on page 6-11 E204...
  • Page 80: Bus Voltage Flow Chart

    Error Flow Charts Bus Voltage Flow Chart EPHI EPHI BUS voltage is BUS voltage is too low too high Check line Check line voltage voltage Have customer get building Too high? Too low? maintenance to correct voltage problem CAUTION! Disconnect power and wait Replace BUS Error occurs...
  • Page 81: Grade Error Flow Chart

    Troubleshooting Grade Error Flow Chart E201 Grade Error Enter Service Mode Calibrate Replace grade Error pot and Persists recalibrate Error Replace Drive Persists Board Complete Figure 6-2: Error Code Flow Chart: E201 70-00298-01 A TM 55/65 Treadmill 4.0 6-10...
  • Page 82: Drive Motor Flow Chart

    Error Flow Charts Drive Motor Flow Chart Cycle power: Replace DSI on AC Drive Are fuses Configuration Module should be Plate Assembly momentarily on, then off Press Start Belt Is the runner Is the Restrict runner over the DS2 is ON? motor weight weight...
  • Page 83: Communications Link Flow Chart

    Troubleshooting Communications Link Flow Chart E204 Communications Error Check Ds2 on AC Drive Module Verify communication cable connection at each end CAUTION! Disconnect power and wait Ds4 On? for high voltage (Micro 5V) indicator (red LEDs) to go off. Verify cable pins Error are not bent or Persists?
  • Page 84: Grade Problems Flow Chart

    Error Flow Charts Grade Problems Flow Chart Treadmill will not elevate Go to flow chart Error code for that error code present? CAUTION! CAUTION! Disconnect Disconnect power and wait power and wait for high voltage for high voltage indicator (red indicator (red LEDs) to go off.
  • Page 85 Troubleshooting 70-00298-01 A TM 55/65 Treadmill 4.0 6-14...
  • Page 86 Specifications Contents ◆ Cardiac Stress Treadmills Specifications ◆ Power Requirements ◆ Speed Vs. Weight Range TM 55/65 Treadmill 4.0 70-00298-01 A...
  • Page 87: Cardiac Stress Treadmills Specifications

    Cardiac Stress Treadmills Specifications The following specifications apply to the Cardiac Stress treadmills except where noted Performance 500 lb (227.3 kg) (with restrictions -- see Speed/ Maximum Rated Load Weight graph on next page) Belt Speed Range 0.8 to 9.6 mph (1.3 to 15.4 km/h) +0.2 mph (Continuously Adjustable) Grade Range 0 to 25% +0.5%...
  • Page 88: Power Requirements

    Power Requirements Power Requirements Listed below are the power requirements for your treadmill Nominal Voltage Range Current Draw Min. Branch (min - max) / Hertz* (Amps) Circuit Amps 100-120 V, 50/60 Hz 20** 200-240 V, 50/60 Hz 10** The nominal voltage range is listed on the serial number name plate, which can be found on the hood under the circuit breaker switch.
  • Page 89: Speed Vs. Weight Range

    Speed Vs. Weight Range 4.8 mph 6.7 mph User Weight Pounds Pounds Speed (mph) Performance Envelope 115V or 230V Operation 70-00298-01 A TM 55/65 Treadmill 4.0...
  • Page 90 Part Numbers Contents ◆ Final Assemblies ◆ Spares ◆ Placement of Spare Parts TM 55/65 Treadmill 4.0 70-00298-01 A...
  • Page 91: Final Assemblies

    Final Assemblies Refer to the name plate located under the power cord on the hood for the part number for your treadmill assembly. 70-00298-01 A TM 55/65 Treadmill 4.0...
  • Page 92: Spares

    Spares Spares Item Part Number ELECTRICAL Power Cord 030610-004 Low Voltage Treadmill 030736-042 High Voltage Treadmill Strain Relief (Connector Lock), Power Cord 001227-011 Low Voltage Treadmill 031453-011 High Voltage Treadmill Configuration Plate Assembly 042159-001 Low Voltage 042159-002 Low Voltage With Emergency Stop Button 042159-003 High Voltage 042159-004...
  • Page 93 Item Part Number ST/TM55 Walkbelt 60-00082-01 ST/TM65 Walkbelt 60-00084-01 Bumper 60-00087-01 End Cap, Rear Left 032641-001 End Cap, Rear Right 032640-001 Side Handrail Kit, Short, TM55 170-0210-001 Side Handrail Kit, Short, TM65 170-0211-001 Side Handrail Kit, Long, TM55 170-0213-001 Side Handrail Kit, Long, TM65 170-0214-001 Side Handrail Cover, Short 60-00130-01...
  • Page 94: Placement Of Spare Parts

    Placement of Spare Parts Placement of Spare Parts This list shows the basic numbering for each spare part. The following drawings show where the part is located. ITEM Part Number Description 60-00082-01 WALKBELT ST/TM 55 60-00084-01 WALKBELT ST/TM 65 650-1493-00 ST/TM 55 DECK (55"...
  • Page 95 ITEM Part Number Description 032780-005 PCBA, DIGITAL INTERFACE 035314-001 FLYWHEEL ASSY 013044-001 PINION SHAFT 60-00028-01 CHAIN, ROLLER, STEEL, 31 PITCHES 019082-001 SWITCH, SNAP ACTION 033502-002 WHEEL, 4", BALL/ROLLER BEARING (PAIR) 60-00112-01 HOOD ASSEMBLY (No labels) EMERGENY SHUTOFF SWITCH - FIELD INSTALLATION 037080-001 60-00130-01 HANDGRIP VINYL, GRAY, SHORT...
  • Page 96 Placement of Spare Parts TM 55/65 Treadmill 4.0 70-00298-01 A...
  • Page 97 10 11 70-00298-01 A TM 55/65 Treadmill 4.0...
  • Page 98 Placement of Spare Parts TM 55/65 Treadmill 4.0 70-00298-01 A...
  • Page 99 30 29 70-00298-01 A TM 55/65 Treadmill 4.0 B-10...
  • Page 100 Placement of Spare Parts Language - “E”nglish “S”panish “F”rench “J”apanese Brand - “Q”uinton “B”urdick Rapid decel- “R” Yes “X” No CE mark- “E” Yes “X” No E-stop - “C” Yes “X” No Voltage - “L”ow voltage (nominal range 100V - 120V) “H”igh voltage (nominal range 200V - 320V) Length - “55”...
  • Page 101 70-00298-01 A TM 55/65 Treadmill 4.0 B-12...
  • Page 102: Wiring Diagrams

    Drawings Wiring Diagrams These wiring diagrams for both the low voltage and high voltage treadmill models are shown as follows: Wiring Diagram, Low Voltage Treadmill on page D-2 Wiring Diagram, High Voltage Treadmill on page D-3 TM 55/65 Treadmill 4.0 70-00298-01 A...
  • Page 103 70-00298-01 A TM 55/65 Treadmill 4.0...
  • Page 104: Wiring Diagram, High Voltage Treadmill

    Diagrams Contents ◆ Wiring Diagram, Low Voltage Treadmill ◆ Wiring Diagram, High Voltage Treadmill The wiring diagrams for the low voltage and high voltage treadmill models are shown in this appendix. TM 55/65 Treadmill 4.0 70-00298-01 A...
  • Page 105 Wiring Diagram, Low Voltage Treadmill TM 55/65 Treadmill 4.0...
  • Page 106 Wiring Diagram, High Voltage Treadmill Wiring Diagram, High Voltage Treadmill Wiring Diagram, High Voltage Treadmill TM 55/65 Treadmill 4.0...
  • Page 107 70-00298-01 A TM 55/65 Treadmill 4.0...
  • Page 108 Contact Information Cardiac Science Corporation provides customer service and technical support. ◆ To order additional product or accessories, contact Customer Care. ◆ For assistance with the product or installation, contact Technical Support. Customer Care Technical Support • (800) 426 0337 (USA) •...
  • Page 109 TM 55/65 Treadmill 4.0 Contact-2 70-00298-01 A...
  • Page 110 Cardiac Science Corporation • 3303 Monte Villa Parkway, Bothell, WA 98021 USA • 425.402.2000 • US toll-free 800.426.0337 • Fax: 425.402.2001 • info@cardiacscience.com Orders and Customer Care (US and International) • 425.402.2000 • US toll-free 800.426.0337 • Fax: 425.402.2001 • care@cardiacscience.com Technical Support •...

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