CHAPTER 7: ADDITIONAL INFORMATION
TRUEfitness.com / 800.426.6570 / 636.272.7100
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TROUBLESHOOTING GUIDE (continued):
Fault CN24: BB Comm
Fault
Console SBC cannot communicate with
Brainboard
Console
Power cycle
Contact dealer or
TRUE service
Fault CN25: Firmware
Mismatch
Console Firmware on brainboard not
compatible with SBC software
Corrupt software
Power cycle
Re-configure console
Firmware and
software versions are
not compatible
Re-install
software/firmware
Contact dealer or
TRUE service
Fault SP01: Belt Under
Speed
Speed
Tread motor rpm is below target
rpm
High Belt Deck
Friction
Lubricate treadbelt
Contact dealer or
TRUE service
High belt tension
Check drive belt and
walking belt tension
Low Line Voltage
Contact dealer or
TRUE service
Dirty or misaligned
speed sensor
Fault SP02: Belt Over
Speed
Speed
Tread motor rpm is higher than
target rpm
High Belt Deck
Friction
Lubricate treadbelt
Contact dealer or
TRUE service
Line Voltage
Check AC line voltage
Dirty or misaligned
speed sensor
Contact dealer or
TRUE service
Fault SP03: Belt Over
Accel
Speed
Tread belt speed increasing too
quickly
User is holding belt
back
Do not try to stop belt
High Belt Deck
Friction
Lubricate treadbelt
Contact dealer or
TRUE service
Dirty or misaligned
speed sensor
Fault SP04: No Speed
Signal
Speed
Speed sensor is not providing
speed data
Dirty or misaligned
speed sensor
Contact dealer or
TRUE service
High Belt Deck
Friction
Lubricate treadbelt
Contact dealer or
TRUE service
Low Line Voltage
Check AC line voltage
Fault IN01: Incline
Stall
Incline
Incline not moving when
commanded
Console displays Fault
Calibration not saved.
Incline disabled.
Power cycle
Check cable
connections
Run incline calibration
Incline Potentiometer
value out of range
Contact dealer or
TRUE service