Symptom

Probable Cause

Corrective Action

Recommended Tools

No Display 750U, 750R

Console Set

Brake

Defective Cable

Console Cable/

Lower Control

Board

Remove console set bolts. Verify good connection at the back of the console set. Set meter for DC volts

Pedal.

Measure between #1 and #4 wires (Page 21) for 5.5 – 7.5 VDC.

Is required voltage present?

If yes- replace console set. If not, continue on.

--------

Remove pedal and if 3 piece crank remove crank arm.

Remove right side cover.

Disconnect 3- wire connector at brake.

Set meter for AC volts.

Pedal.

The voltage should increase as pedaling increases.

Is minimum voltage 9 VAC @ 30 RPM?

If No- replace Brake. If yes, continue on.

--------

Remove pedal and if 3 piece crank remove crank arm.

Remove right side cover.

Disconnect 3- wire cable from brake and lower control board.

Set meter for continuity.

Check all 3 wires in cable for continuity.

No continuity? Replace cable

----------

Set meter for DC volts. Reconnect cable to brake and lower control board.

Pedal.

Measure for 5.5 – 7.5 VDC between #1 and #4 wires on 7- pin cable for the console at the lower control board.

Voltage is present? Replace cable for console.

Voltage not present? Replace lower control board.

Note:

You must pedal at least 30 RPM when performing any voltage test. You may require the assistance of another person when performing voltage checks.

Multi-meter

Page 14

Support Services 800-883-8783

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

Fax: 636-272-7148

 

 

 

Page 16
Image 16
True Fitness 750R, 500U, 600R, 750U, 500R, 600U manual