True Fitness 350-750 User Manual
Page 6
Symptom
Probable
Cause
Corrective Action
Recommended Tools
ERROR
MESSAGES:
(cont’d)
E2 O
OVERSPEED
E2 C
CALIBRATE
E3 E
EEPROM
E2 R
RECALIBRATE
Belt speed ramping
too fast.
Micro-controller
cannot adjust belt
speed to target.
Software error during
treadmill startup
diagnostics.
Treadmill has lost
calibration settings.
Perform Amp Draw Test – Page
20.
Perform Belt / Deck Wear Test – Page 24.
Calibrate Treadmill – Page 16.
See appropriate Symptom Guide – pages 10-11.
Restart Treadmill, if error persists- replace
control panel.
Recalibrate Treadmill – Page 16.
(If unit loses programs- replace control panel)
Multi-meter
Phillips head
screwdriver
Support Services 800-883-8783
Mon-Fri 8:30am-5:00pm Central Time Zone
Fax: 636-272-7148
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