The Euro 30i power board has four troubleshooting
LEDs to assist the technician when servicing the treadmill. Not all
LEDs are mounted on some power boards. The meaning of each of these
LEDs is as follows:
240V- This LED lights to indicate the power board
is receiving 220-240 VAC. It will light when the treadmill is plugged
in and the main on/off switch where the power cord enters the
treadmill is turned on.
9VDC- This LED lights to indicate the power board
is generating the 8-12 VDC necessary to power the console. It must
always light when the 240 VAC LED is lit.
PWM- This LED monitors the speed control signal
being sent from the console. This signal passes through the power
board on its way to the motor controller. The LED will begin to
flicker when treadmill speed is set above 0.0 KPH and turn off when
the treadmill is stopped.
TACH- This LED monitors the speed sensor signal to
the console. It will flicker as the treadmill is running. When the
treadmill is at rest, the LED may remain lit or dim. http://www.partsfortreadmill.com/
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