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True Fitness 350-750 User Manual

Page 17

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Symptom

Probable Cause

Corrective Action

Soft Select
Malfunctions
(continued)

AC Power Issues





Wire Harness








• Is AC power LED D3 lit?

• No- check F1 fuse. If F1 is good check for AC voltage between TP1

and TP5. If fuse and voltage are good- replace the board.

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• Yes- While in calibration mode Press the Softer button- LED D1

should light, press the Firmer button- LED D2 should light. If the
lights respond to the button then command is being sent from the
upper board and received at the soft select board. If lights do not
respond check or replace 6-pin data cable, if cable is ok- replace
upper panel.

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Support Services 800-883-8783

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

Fax: 636-272-7148

Page 15

SOFT SELECT BOARD

ILLUSTRATION