True Fitness 455 Pediatric manual No Display

Page 14

Symptom

Probable Cause

Corrective Action

Recommended Tools

NO DISPLAY

No power at the 110 VAC outlet.

No power to the treadmill.

No power to the control panel.

Check home circuit breaker. Reset as necessary.

Test for 110 VAC at outlet.

Identify if outlet is a GFI.

Note: Some brands of GFI outlets are too sensitive for treadmill use. Call the help line if encountering GFI issues.

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Check for AC light on PWM. (See diagram pages 23)

Check for 110 VAC at power cord. Replace if no power.

If Yes- Check for 110 VAC at tread power switch. Replace if no power.

If Yes-Check for 110 VAC at tread circuit breaker. Replace/ reset if necessary.

If Yes- Check for 110 VAC at PWM across AC1 & AC2.

If Yes- Replace PWM.

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Check status LED +11 VDC on PWM (See diagram pages 23). If not remove fuses and check continuity as replace as needed.

If Yes- Check wire harness connections at PWM and Control Panel. Reconnect as needed.

If Yes- Check voltage on harness at panel. Refer to wiring diagram for your machine type in wiring diagram section. If voltage is present– replace panel and recalibrate (page 14). If voltage is not present check voltage at PWM. If voltage is present at PWM replace pedestal wire harness. If 0 VDC replace PWM and recalibrate (page 14).

Allen Key set.

Phillips head screwdriver.

Multi-meter.

Note:

All trouble shooting should be performed in calibration mode.

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Support Services 800-883-8783

Mon-Fri 8:30am-5:00pm Central Time Zone

Fax: 636-272-7148

 

 

 

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Contents Treadmill Treadmill Preventative Maintenance Checklist Start Symptom Guide Error Error Messages No Belt Movement Continue on next page…Cont’d Treadbelt Stops During Workout Liquid silicone single use packHeart Rate Not Working Erratic Readings Elevation Not Functional E1 Error PWME2 CAL SeeAll trouble shooting should be performed in calibration mode No Display Circuit Breaker Trips Calibration Procedures Diagnostics Test Procedures Grounded Outlet Test Speed Sensor Test TreadmillDrive Motor Test Incline Potentiometer Calibration Test Belt / Deck Wear Test 455 Wiring Diagram Parts List On / OFF Switch