Motor Controller Led Troubleshooting - Keys Fitness Treadmill Service Manual

1. LED OK, unit plugged into wall, but Power Key not activated-
08-0051, generally LCD display type treadmill-
- LVS
- RAIL
- SF/B- may be on or not and should blink when the flywheel is rotated.
08-0050, generally LED display type treadmill-
- LVS
- RAIL- only if the machine was calibrated or otherwise run within 5 minutes.
- SF/B- may be on or not and should blink when the flywheel is rotated.
2. LED OK Condition, after Power key activation, but before belt movement-
08-0051
- LVS
- RAIL
- SF/B may be on or not, and RLY2 should come on approx. 9 seconds after the Power key was acti-
vated.
08-0050
- LVS
- RAIL only if the machine was calibrated or otherwise power on after 10-15 seconds.
- SF/B may be on or not
- RLY1 and RLY2 LED's should sequence, which will activate the RAIL LED if it was not active
before.
3. LED OK Condition (After Belt Movement)
08-0051, 08-0050
- RLY1 ON (M/C 08-0050 only), RLY2 ON, RAIL ON, LVS ON, ESR Blinking, and SF/B ON.
- LVS
- RAIL
- SF/B
- RLY2
- ESR- should be blinking.

Motor Controller LED Troubleshooting

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