Question about Precor EFX 546i Elliptical Version 4

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Error 44 precor eliptical 546

My Precor EFX 546 is throwing either an error 44 or error 45 message. When it does it loses all resistance. The problem SEEMS to be intermittant

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Precor Error 44, Un-commanded Lift Motion Probable Cause 1. Intermittent or bad connection in the lift position sensor(potentiometer).
2. Lift position sensor (potentiometer) is bad.
3. Lower PCA is bad.
Corrective Action

  1. Bad or intermittent connection of the lift position sensor (potentiometer) is the most common cause of the error 44. Inspect all wiring and connections related to the lift position sensor (potentiometer). Repair or replace wiring connections as necessary.
  2. Monitor the lift position number displayed while operating the lift in diagnostics mode. If the reading makes large changes or is erratic, the lift position sensor (potentiometer) is likely bad. Replace the lift position sensor (potentiometer) or lift motor if the lift position sensor (potentiometer) is internal to the lift motor.
  3. If the lift moves without any command entered either manually or through a program, replace the lower PCA.
Precor Error Code 44

Posted on Jul 29, 2014

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SOURCE: looking for repair manuals and error codes for

Could you please advice about ERROR 29 fo C956i/C966i treadmill.

Posted on Mar 04, 2010

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My precor efx 546 makes noise like a squeaking in left pedal it seems I tried to tighten pedal but I the whole bolt and screw turn together and the other pedal makes no noise


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Precor efx 546 wobbles when raising incline


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1 Answer

What is error 45 on the EFX 546??


Precor Error 45, Lift Moving in Wrong Direction Probable Cause 1. Lift motor hysteresis.
2. Lower PCA is bad.
Corrective Action 1. The error would usually occur when the lift was already in motion (usually downward) when a lift command in the opposite direction (upward) was made. Some lift motors used in production exhibited a very long turnaround time and the lift motor would still be moving in the original commanded direction while the control system was trying to move the lift in the opposite commanded direction. If the error continues to re-occur, replace the lift motor.
2. It is a rare condition, however if the lift moves in the opposite direction commanded, replace the lower PCA.


Precor Error Code 45

Nov 11, 2012 | Precor EFX 546i Elliptical Version 4

1 Answer

Whenever I use our eliptical precor efx, as soon as the elevation starts it says error 45


Precor Error 45, Lift Moving in Wrong Direction Probable Cause 1. Lift motor hysteresis.
2. Lower PCA is bad.
Corrective Action 1. The error would usually occur when the lift was already in motion (usually downward) when a lift command in the opposite direction (upward) was made. Some lift motors used in production exhibited a very long turnaround time and the lift motor would still be moving in the original commanded direction while the control system was trying to move the lift in the opposite commanded direction. If the error continues to re-occur, replace the lift motor.
2. It is a rare condition, however if the lift moves in the opposite direction commanded, replace the lower PCA.


Precor Error Code 45

Aug 10, 2010 | Precor EFX 546i Elliptical Version 4

1 Answer

Error 45 on Precor EFX 546 Elliptical


Precor Error 45, Lift Moving in Wrong Direction Probable Cause 1. Lift motor hysteresis.
2. Lower PCA is bad.
Corrective Action 1. The error would usually occur when the lift was already in motion (usually downward) when a lift command in the opposite direction (upward) was made. Some lift motors used in production exhibited a very long turnaround time and the lift motor would still be moving in the original commanded direction while the control system was trying to move the lift in the opposite commanded direction. If the error continues to re-occur, replace the lift motor.
2. It is a rare condition, however if the lift moves in the opposite direction commanded, replace the lower PCA.

Precor Error Code 45

Jul 19, 2009 | Precor EFX 546i Elliptical Version 4

1 Answer

I have an Error message 50 coming up when iturn on my eliptical


Precor Error 50, Too Much Brake (Magnet) Current Probable Cause 1. Shorted or damaged wiring between the lower PCA and the eddy current magnet is the most common cause for this error.
2. Bad eddy current magnet.
3. Bad lower PCA.
Corrective Action
  1. Thoroughly inspect the eddy current wiring and connections ensuring that the wires are not shorted to the frame or shorted together. Repair or replace damaged wiring as necessary.
  2. Disconnect the wires from the eddy current magnet. Using an ohm meter, check for approximately 100 ohms across the eddy current magnet terminals. If the reading is considerably low, replace the eddy current magnet. Measure ohms between each eddy current magnet terminal and the frame ground. You should have no resistance between the eddy current magnet terminal and the frame ground. If resistance is present this would indicate a partial short, replace the eddy current magnet.
  3. If the eddy current magnet wiring and the eddy current magnet are both good from the above tests, replace the lower PCA.

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Jun 27, 2009 | Precor EFX 546i Elliptical Version 4

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