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Motor Control Board

Pictures


LED Blink Codes

Blink Codes for Lower Motor Control Board 1000111476

Number of
LED Blinks		StatusDescriptionPossible Problem
Component
1Works normallyWorks normally-
*** 2Optical Encoder without
feedback		The optical encoder is without
feedback for 3 seconds during start
procedure or 1 second during workout.		Poor contact or
damage to the
optical encoder
3OverloadThe motor current is over rated tor
more than & seconds		Motor
4Speed is too largeThe motor power components are
damaged or speed up too fast.		Motor
5The safety key is offThe safety key is off.Safety Key
6The incline motor is stuck
or has lost efficiency		There is no signal to the MCB when the
incline motor is energized.		Incline Motor
7Communication abnormalNo or abnormal communication
between the console and MCB.		Console Cable,
UCB, or MCB
8Bad connection between
the incline motor and the
MCB		The incline motor cannot go back to
absolute "O" degrees.		Incline Motor or
MCB
LED STATUSDescriptionLED OFF

An unlit LED indicates that the controller board is not receiving power. Please check that the machine is plugged into a power outlet and that the reset switch is in the "on" position. If the machine should be getting power but isn't, try turning it off and then back on. You may also try plugging another device into the outlet to make certain that the outlet has power.

LED ON Solid

A solid lit LED indicates that the controller board has power. If the belt has been started but it does not move, please check to make sure that the upright wire harness is connected, and not damaged.

Steady Blink

A steady blink indicates that the controller board is receiving a speed signal from the console. If your walking belt is not moving, check the wiring from the controller board to the drive motor.

1 Blink If the blink pattern is one blink followed by a pause before another blink, then the controller board has gone into fold-back mode. The motor may be seized, the walking belt may be worn, or the walking belt may need more lubrication. To check for a seized motor, turn the walking belt by hand. If you are unable to turn it, your drive motor has most likely seized.** 2 BlinksIf the blink pattern is two blinks followed by a pause and another set of two blinks, then a wire has become disconnected from the controller board. Make sure that the wiring to the control board is connected securely.3 BlinksIf the blink pattern is three blinks followed by a pause and another set of three blinks, then the drive motor current has exceeded 34 amps. Turn the treadmill off and back on. If the problem persists, you will need to replace the controller board.4 BlinksIf the blink pattern is four blinks followed by a pause and another set of four blinks, then the controller has detected a bad switch. Turn the machine off and back on. If the problem persists, the controller will need to be replaced.5 BlinksIf the blink pattern is five blinks followed by a pause and another set of five blinks, then the controller cannot resolve the desired speed. Turn the treadmill off and then on. If the problem persists, the controller will need to be replaced.SOS BlinkIf the blink pattern is the Morse Code "SOS," then the controller board needs to be replaced.



Board Layout

Schematic




Chips

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