Question about Precor Efx 546 Elliptical Version 2 Reconditioned

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How to repair a 546 efx precor

What would cause no resistance on a 546 efx precor

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Assuming the buttons are working, the numbers change on the display, and the incline works, it may be the lower circuit board or the generator. If it is a very old unit, it may be the electromagnet or the data cable that connects the two circuit boards.

Posted on Dec 02, 2014

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SOURCE: precor efx 546 error.

please follow this steps and fix it. God bless youError 43 - Zero Switch not FoundDescriptionThe C944 and several versions of C96X used a lift position identification system that did notutilize a potentiometer.Instead, it utilized a switch that would be physically actuated by the lift when the lift was in thezero incline position. A revolution sensor counted lifted motor revolutions to determinesubsequent lift positions. In addition two limit switches where used to remove power from the liftmotor if the lift moved outside of it's normal range.When the unit was powered up the lift would start to hunt for the zero switch. It would first go up4% (maximum lowest physical position was -3%) if it did not find the zero switch or it hit the upperlimit switch, it would then go down until did find the zero switch. When the zero switch waslocated it would stop, the system would then know its physical position and be prepared tomonitor the revolution sensor. If during this power up procedure the zero switch was not found anerror 43 would be displayed.Possible Causes1. The lift position actuator does not physically operate the zero switch.2. The lower PCA is bad.3. The zero switch is bad.Possible Remedies1. There are several physical problems related to the lift platform mounting or the plate the zeroswitch is mounted on that can cause the actuator knob to miss the zero switch as it movespast. Repair the lift platform mounting, repair or replace the lift switch mounting plate asrequired.2. The lower PCA provides a 5 VDC power source for the zero switch. You should measure 5VDC across the zero switch when the zero switch is activated. If the reading is significantlylow, remove both wires from the zero switch and repeat the measurement across the wiresremoved from the zero switch. If the reading is still significantly low, verify the zero switchwiring. If the wiring is intact and correctly connected, replace the lower PCA.3. Move the lift to position where the zero is switch is not activated and remove power from thetreadmill. Remove both leads from the zero switch and measure the zero switch with anohmmeter. The zero switch should read very near 0 ohms. While measuring the zero switchwith the ohmmeter, activate the switch by hand, the reading should change to infinite (open).If either of the above readings are significantly incorrect, replace the zero switch.

Posted on Mar 15, 2013

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Precor EFX 546 Version 1 Elliptical Trainer (Refurbished)

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Dec 28, 2015 | Precor 546 Elliptical

1 Answer

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


This squeak is normally caused by a bad bearing in the wheel. In order to provide you with the correct wheel, I will need your serial number. The following link will take you to our Precor EFX 546 page.

Repair Parts for Precor EFX 546 Ellipticals SPORTSMITH net

May 29, 2014 | Exercise & Fitness

1 Answer

Precor efx 546 wobbles when raising incline


It may be either the front shroud is installed incorrectly or broken, or the corkscrew for the incline motor is bent. If it is bent, it would need to be replaced.

Feb 10, 2014 | Precor Efx 546 Version 1 Lower Body...

1 Answer

Service manual 546


Repair Parts for Precor EFX 546i Ellipticals SPORTSMITH net

Please use your model and serial number to narrow down your search. In the middle of our Web page you will find the service manual for your machine.

Sep 03, 2013 | Precor EFX 546i Elliptical Version 4

1 Answer

Error 44 precor eliptical 546


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

Nov 22, 2012 | Precor EFX 546i Elliptical Version 4

1 Answer

My precor efx 546 keypad comes on, the enter button accepts all the info and programs are displayed. 1. The quickstart button does not work. 2. Both crossramp and resistance do not move either when...


1. Sounds like you need a new keypad if some buttons do not work. 2. If those buttons do not work either, it sounds like you need a new keypad, possibly the upper board. Make sure the keypad is plugged into the upper board and the connection is not corroded. 3. Older 546s used an electromagnet to produce resistance, newer 546s use a generator and resistor to produce resistance. I have never seen a 546 that used a motor that moves back and forth to produce resistance. Some residential crosstrainers use a motor like you describe.

Mar 10, 2011 | 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

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