True Fitness TREADMILL 2011 Service Manual page 45

APPENDIX A: STATUS LED DESCRIPTION (CONT.)
This error will only appear at start up if it does not see ref
1
voltage
This error will only appear at start up if it does not see ref
2
voltage
3 Occurs only at power-up
4 Occurs only at power-up
5 Phase is open
6 Phase is open
7 Phase is open
The unit will shut down and will display both blink 8 and
8
blink 9
If unit displays this error, the unit will shut down and will
9
display both blink 8 and blink 9
Under supply voltage
10
supply being low
Upper board supply immediate 5v command, or there is a
short in the controller cable If the PWM LED is
11 illuminated when unit is powered-up, then there is a short
in the controller cable or the controller is giving an illegal
command
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Usually caused by incoming power
Tread Service Manual - July 2011
a. Replace controller.
a. Replace controller.
a. Replace controller.
a. Replace controller.
a. Check connections and verify
resistance of phase on drive
motor.
b. Replace drive motor.
a. a. Check connections and
verify resistance of phase on
drive motor.
drive motor.
a. Check connections and verify
resistance of phase on drive
motor.
b. Replace drive motor.
a. Replace speed sensor.
a. Replace speed sensor.
a. Check power supply source.
a. Check controller cable and
replace
b. Replace controller.
b. Replace
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