CHAPTER 7: ADDITIONAL INFORMATION
TRUEfitness.com / 800.426.6570 / 636.272.7100
44
TROUBLESHOOTING GUIDE (continued):
Fault CN03: Stuck Key Console Membrane Key stuck
down/closed
Membrane key is
damaged
Contact dealer or
TRUE service
Fault CN04: Lower
Board Comm Fault
(Treadmill Only)
Console
Brainboard fails to receive
timely communication
responses from lower board -
Fault after 3 retries
Loose Cable
Power cycle
Check cable
connections
Smart Card
Contact dealer or
TRUE service
Motor control board
Console
Fault CN05: No Lower
Control
Console
No lower board connected to
console - detection wires not
connected.
Loose Cable
Power cycle
Check cable
connections
Console Configure
incorrectly
Re-configure console
Fault CN06: Config
Mismatch
Console
Console is configured for a
product different than that to
which it is connected.
Console Configure
incorrectly
Power cycle
Re-configure console
Loose Cable
Check cable
Connections
Fault CN07:
Calibration Timeout
Console
Incline Calibration was not able
to complete within allowed
time.
Low AC Line Voltage
Retry calibration
Verify AC Voltage at
Outlet
Fault CN08:
Calibration Failed -
Lower Limit Not
Reached
Console
During incline calibration, the
incline stalled before reaching
what should be the lower limit.
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
Fault CN09: Insert
Safety Key
Console Emergency Circuit opened
Safety Key not
engaged
Re-insert safety key
Loose Cable
Check cable
Connections
Switch Damaged
Contact dealer or
TRUE service
Fault CN10: E-Stop
Fault
Console A test of the emergency circuit
has failed
Console Catch
Power cycle
Safety Key not
engaged
Re-insert safety key
Loose Cable
Check cable
connections
Switch Damaged
Contact dealer or
TRUE service