Troubleshooting - No Power To The Console - Vision Fitness TF20 Service Manual

3.2 TROUBLESHOOTING – No Power to the Console
1) SYMPTOM:
a. The power switch is in the on position, but the console
2) SOLUTION:
a. First check to see if the power switch is lit. If it is not, try a different outlet.
If the power switch still does not light up with a known good outlet, inspect and test the power components including
the power cord, socket, circuit breaker, and power switch. Replace as needed.
b. Check to see if the MCB has power. There is a red power LED on the MCB that should be lit.
c. If the MCB does not have power, check the connection of the power wiring from the power receptacle to the
MCB. Use a multi-meter to measure AC1 & AC2, AC voltage should be the same as local's standard voltage
(110V-240V). If AC voltage value is standard, replace the MCB.
d. Make sure that the input to the console's power supply is a 12VDC, use a multi-meter to measure the voltage
of the four pins in the figure below, pins 1 & 2 should be 12VDC and pins 7 & 8 should be ground.
CHAPTER 3: Troubleshooting
does not light up, no display backlight.
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