Page 2 - Inspect drive belt for wear and cracking.
Treadmill Preventative Maintenance Checklist Run calibration or run a manual program and watch and listen for anything out of the ordinary. Perform a push off test (page T-7) to check for proper lubrication. If excessive friction is found and lubrication doesn’t correct the problem perform the a...
Page 3 - START
True Fitness Treadmill Service Manual START Symptom guide Calibration Procedures Diagnostic Procedures Test Procedures Wiring Diagrams Part Manuals Page 1
Page 4 - SYMPTOM GUIDE; No Belt Movement
SYMPTOM GUIDE Error Code Definitions . . . . . . . . . . . . . . . . . . . . . . . . Page 3, 4 No Belt Movement . . . . . . . . . . . . . . . . . . . . . . . . Page 5, 6 Tread Belt Stops During Workout . . . . . . . . . . . . . . . . Page 7 Heart Rate Not Working / Erratic Readings . . . . ....
Page 16 - Calibration Procedures
Page 14 Calibration Procedures 455 Calibration Enter Calibration Mode by holding the Up and Down keys while inserting the safety key In message center window displayed: Press Start to Calibrate NOTE: In Calibration mode, it is possible to check if the speed sensor is reading all the front roller mag...
Page 17 - DIAGNOSTICS
Support Services 800-883-8783 Mon-Fri 8:30am-5:00pm Central Time Zone Fax: 636-272-7148 Page 15 DIAGNOSTICS To enter diagnostic mode, press and hold the FAST and SLOW buttons while pushing in the safety key. The control panel will show “Diagnostics”. Press the UP button: Total Hours (in whole hours)...
Page 18 - TEST PROCEDURES
TEST PROCEDURES Grounded Outlet Test Page 17 Amp Draw Test Page 17 Speed Sensor Test Page 18 Voltage to Drive Motor Test Page 18 Drive Motor Test Page 19 Drive Belt Tension Test Page 19 Tread belt Tension Test Page 19 Incline Potentiometer Calibration Test Page 20 Voltage to Inclin...
Page 19 - GROUNDED OUTLET TEST
TEST PROCEDURES Support Services 800-883-8783 Mon-Fri 8:30am-5:00pm Central Time Zone Fax: 636-272-7148 GROUNDED OUTLET TEST This test is very important for optimal HRC and incline operation. Set voltmeter for Volts AC Place 1 lead in the right side of the outlet (hot) Place 1 lead in the ground plu...
Page 20 - VOLTAGE TO DRIVE MOTOR TEST
TEST PROCEDURES Support Services 800-883-8783 Mon-Fri 8:30am-5:00pm Central Time Zone Fax: 636-272-7148 SPEED SENSOR TEST This test is used to verify sensor operation in conditions of speed fluctuation, E2: Cal error, S4: Sensor error, E2: Overspeed error or Unsuccessful Calibration. 455 Treadmill S...
Page 21 - DRIVE BELT TENSION TEST
TEST PROCEDURES Support Services 800-883-8783 Mon-Fri 8:30am-5:00pm Central Time Zone Fax: 636-272-7148 DRIVE MOTOR TEST This test is used in conditions of No Belt Movement. Unplug treadmill and set voltmeter to volts DC Disconnect motor leads from PWM Place 1 voltmeter lead in each motor wire Gentl...
Page 22 - INCLINE POTENTIOMETER CALIBRATION TEST
TEST PROCEDURES Support Services 800-883-8783 Mon-Fri 8:30am-5:00pm Central Time Zone Fax: 636-272-7148 INCLINE POTENTIOMETER CALIBRATION TEST This test can correct E1: Minimum conditions and aid in diagnosis of incline problems with finding zero or target incline. 455: Set voltmeter to Ohms ( Ω ) w...
Page 23 - Belt / Deck Wear Test
TEST PROCEDURES Support Services 800-883-8783 Mon-Fri 8:30am-5:00pm Central Time Zone Fax: 636-272-7148 Belt / Deck Wear Test This is a simple physical test to gauge the general level of friction present between the deck and belt. 1. While the treadmill is not running, inspect the condition of the u...
Page 24 - Wiring Diagram