58
Elevation system failure; "PO" error.
8.1 Place the treadmill in Diagnostic Mode:
1.Remove the saftey lanyard.
2.Turnoff the treadmill.
3.Hold the DISPLAY and START key simultaneously and then release them as soon as the display lights up.
Is the red GRADE lamp on the motor control board lit?
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8.2 |
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| NO |
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| Does the treadmill go up when UP is pressed and |
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| YES |
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| down when DOWN is pressed in this mode? |
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| NO |
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Grade pot out of calibration or failed.
YES
Recalibrate pot. Go to page 9.
P/N 71013
Grade pot out of calibration or failed. Recalibrate pot. P/N 71013
8.3
8.4
Remove the 6 pin elevation connection from the lower control board. Is either the yellow DOWN lamp or the yellow UP lamp on the motor contol board lit?
NO
Does the yellow UP lamp on the motor control board
light when UP is pressed?
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| Replace motor control board. |
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| P/N 70080 (110V) |
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YES |
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| P/N 70081 (220V) |
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| Replace motor control board. |
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| P/N 70080 (110V) |
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NO |
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| P/N 70081 (220V) |
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YES
8.5
Does the yellow DOWN lamp on the motor control board light when DOWN is pressed?
YES
Replace elevation motor.
P/N 70088 (110V) P/N 70126 (220V)
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| Replace motor control board. |
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NO |
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| P/N 70080 (110V) |
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| P/N 70081 (220V) |
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