Stairmaster Crossrobics 1650 LE, Owner'S Manual

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Page 40
ELECTRICAL TROUBLESHOOTING
2. Plug the power supply into the wall outlet. The green Light Emitting
Diode (LED) on the power supply should be on. If the LED does not
light up, replace the power supply.
3. Disconnect the DC cable from the left side panel. Set the voltmeter to
VDC and test for 12 to 19 VDC in pins #1 (+) and #2 (-). Replace the
power supply if the voltage reading is outside the specified range.
4. Remove the bottom cover and connect the DC cable to the power
connector on the left side of the frame. Locate the black and white
wires on the backside of the power connector.
5. Follow the white power connector wire to the where it plugs into the
main cable white wire, and disconnect it from the main cable
white wire.
6. Set your voltmeter to VDC. Connect the positive lead of your
voltmeter to the white wire from the power connector and touch the
gray casing of the alternator with the negative lead of your voltmeter.
7. DC voltage measured should be 12 to 19 VDC. Replace the power
connector if the voltage is not the same value as in step 3. Connect
the two white wires.
8. Remove the console knobs from the back of the console, lift the
console up, and disconnect the 20-pin main cable from the console.
9. Test for 12 to 19 VDC in pins #1 (-) and #10 (+) in the main cable
connector. Replace the main cable if the voltage reading is not
the same as in step 7.