Motor Control Board Replacement - Horizon Fitness T61 Service Manual

M otor Contr ol B oa r d Re p la c e m e n t
Tools Required:
• Philips Screwdriver
Procedure:
1) Turn off the power to the treadmill and unplug the power cord from the wall outlet.
) Remove the motor cover.
3) Verify that LED MTR is not lit on the motor control board.
If this LED is lit, please wait approximately 1 minute until the light is out. This is an indication that the
stored power has left the board.
4) Unplug motor, optic sensor, elevation, speed sensor, and AC wires from the motor control board.
5) Remove the motor control board, and replace it with a new one.
6) Reconnect all the wires to the motor control board. (Figure 50)
Fig ur e 50
Optic Sensor Wire
Black Motor Wire
54
Console Cable
Speed Sensor
3 Pronged Elevation Wire
Red Motor Wire
Elevation Wires
Wire from On/Off Switch
Wire from On/Off Switch