Upper Board Troubleshooting; No Display On Console - Horizon Fitness T40 Service Manual

If the console only displays dashes in the display window, follow the possible causes
below:
Possible causes:
• Adjust the position of the safety key. Manually rotate the safety key to see if the
reed switch is in proper alignment.
• Reed switch is damaged. By-pass the reed switch. Disconnect the reed switch
(N23), and place a flat blade screwdriver on the connection prongs. If the console
lights up, replace the reed switch (N23).
• Replace the safety key.
If the console does not have any display, follow the possible causes below:
Possible causes:
• Check voltage of wall outlet.
Warning! Hazardous voltages will be tested in the following procedure. Exercise
extreme caution when performing these procedures. Do not connect or disconnect
any wiring, connectors, or other components with the power applied to the treadmill.
• Disconnect the treadmill power cord from the wall outlet. Using an AC voltmeter,
verify that the proper AC voltage is present at the wall outlet. Nominal 120 volts
AC may vary between approximately 105 volts AC and 135 volts AC. If the AC
voltage is missing or incorrect, check the AC service or consult an electrician.

No Display on Console

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