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Precor 903 treadmill

Platform doesn't move well

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Replacement Parts for Fitness Exercise Equipment at SPORTSMITH

You should start by inspecting the brushes inside the motor. If these are worn, which is common over time, then the motor would start to lose power. The following link will take you to a motor brush. Be sure and have your complete model and serial number available to confirm the brush is compatible.

Motor Brush Pac Sci YP00521 Each Precor PPP000000020002112 SPORTSMITH net

Posted on Oct 29, 2015

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1 Answer

Precor 933i where are fuses


Remove the the black and red wire from the Motor control board, get a drill battery and touch the wires to the positive and negative. If the belt moves, then I would say to replace the MCB.

Mar 01, 2015 | Precor 933 Premium Series Treadmill

1 Answer

Where are the fuses on Precor 9.27


Fuse is a dead end in this case. Is there belt movement with the LS error, where the belt moves for a few seconds then quits? If so, there may be a problem with the upper - contact Precor and have them look up bulletins on that model/SN. If no belt movement, then there is a problem with either motor or MCB, probably MCB.

Mar 25, 2014 | Precor 9.27 Treadmill

1 Answer

Precor usa treadmill c962i error 41


Precor Error 41, Lift has not Responded in Acceptable Time Probable Cause Error 41 was present in early software versions and is no longer being used.
Corrective Action If you encounter a unit that has software with an error 41, diagnose the same way you would if getting an error 40.

Precor Error 41
Precor Error 40, No Lift Motion Detected Probable Cause 1. Blown lift fuse in lower PCA.
2. Lift motor is physically jammed and not able to move.
3. Bad lower PCA.
4. Bad lift capacitor.
5. Bad lift motor winding.
6. Bad interconnect cable between upper and lower PCA.
7. Bad upper PCA.
Corrective Action
  1. Check the lift fuse from the lower PCA. Using an ohmmeter, the fuse should measure 1 ohm or less. If the reading is significantly high, replace the fuse. If the fuse is open, refer to steps 3 and 4 before continuing.
  2. Disconnect the lift motor from the ramp (elliptical) or lift platform (treadmill). If the lift nut or lift tube is jammed against the motor housing, turn the lift tube or lift nut away from the motor housing. If the lift was jammed, refer to step 3 before continuing. Calibrate the lift motor per the proper procedure for the unit being serviced and reattach the lift motor to the ramp (elliptical) or lift platform (treadmill). NOTICE: You must find and repair the cause for the jammed lift. Only re-calibrating the lift motor will not solve the problem.
  3. One of two modes can cause the lower PCA to fail. The lift switch could fail in an operated condition. If this happens the lift will move (either up or down) as soon as the unit powers up. The usual result is that the lift will be physically jammed as explained above, and probably also being cause for the lift fuse to blow. The lift switch could also fail in an open condition. If this happened, the lift would not operate in one direction. If either of these conditions occur the lower PCA needs replaced.
  4. Most units have the lift capacitor mounted inside the lift motor, and others use external lift capacitors. This information applies to units with the external lift capacitors. If the lift capacitor is shorted the lift fuse blows. Check the capacitor for a short using an ohm meter. Disconnect the capacitor from the lift motor and test. A good capacitor reads in the millions of ohms. Replace the capacitor if the reading is significantly low. Capacitor can also fail in the open condition which would result with the lift motor trying to run but not having normal power. Test the capacitor by measuring AC voltage across it. A good capacitor will read AC peak voltage while an open capacitor reads AC RMS voltage.
  5. When a lift motor winding is bad the lift will not operate in one or both directions depending upon the exact fault in the motor. Check the lift motor winding with an ohm meter. AC lift motors have a split winding (3 wires) and DC lift motors will have a single winding. Both windings must be checked on an AC lift motor. Normal winding readings could vary anywhere between 1 and 60 ohms, depending on the lift motor being tested. See the proper service manual for the motor being tested.
  6. Test unit with a known good interconnect cable. Replace the interconnect cable if necessary.
  7. Test unit with a known good upper PCA. Replace the lower PCA if necessary.
Precor Error Code 40

Jan 23, 2013 | Precor C962i Treadmill 220V

1 Answer

What's your problem?PRECOR EFX 546 ERROR CODE 43


Precor Error 43, Zero Switch not Found Probable Cause 1. Bad rotation sensor or missing magnet.
2. Lift position actuator does not physically operate the zero switch.
3. Bad lower PCA.
4. Bad zero switch.
Corrective Action
  1. Inspect for presence of magnet in the magnet holder. Replace magnet if missing. Check for output of the rotation sensor and follow signal all the way to the upper board. If the sensor has no output, replace. If the signal drops out at the cable, replace the cable.
  2. The lift platform mounting or the zero switch mounting plate could have physical problems that could cause the actuator knob to miss the zero switch as it moves past. Inspect and repair the lift platform mounting if necessary. Inspect and repair or replace the lift switch mounting plate if necessary.
  3. 5VDC is provided to the zero switch from the lower PCA. You should get 5VDC across the zero switch when it is activated. If the reading is considerably low, remove both wires from the zero switch and retest for voltage directly through the wires. If the reading is still considerably low, investigate the zero switch wiring. If the wiring is good and connected properly, replace the lower PCA.
  4. When a zero switch is bad or not actuated, the system will go through the entire search process and continue passed the home switch to find the lower limit switch. Move the lift to a position where the zero switch is not activated and remove power from the treadmill. Remove both wires from the zero switch and check the zero switch with an ohm meter. The zero switch should read near 0 ohms. While the ohm meter is still connected to the zero switch, activate the switch by hand and the reading should change to infinite (open). If either reading is considerably incorrect, replace the zero switch.

Precor Error Code 43

Oct 14, 2011 | Precor EFX 546i Elliptical Version 4

1 Answer

I have a precor treadmill 920si. I am getting error 41. I have no idea what that is. I can't find anything related to this in the handbook. Thankyou for your help.


Precor Error 41, Lift has not Responded in Acceptable Time Probable Cause Error 41 was present in early software versions and is no longer being used.
Corrective Action If you encounter a unit that has software with an error 41, diagnose the same way you would if getting an error 40.
Precor Error 41

Precor Error 40, No Lift Motion Detected Probable Cause 1. Blown lift fuse in lower PCA.
2. Lift motor is physically jammed and not able to move.
3. Bad lower PCA.
4. Bad lift capacitor.
5. Bad lift motor winding.
6. Bad interconnect cable between upper and lower PCA.
7. Bad upper PCA.
Corrective Action
  1. Check the lift fuse from the lower PCA. Using an ohmmeter, the fuse should measure 1 ohm or less. If the reading is significantly high, replace the fuse. If the fuse is open, refer to steps 3 and 4 before continuing.
  2. Disconnect the lift motor from the ramp (elliptical) or lift platform (treadmill). If the lift nut or lift tube is jammed against the motor housing, turn the lift tube or lift nut away from the motor housing. If the lift was jammed, refer to step 3 before continuing. Calibrate the lift motor per the proper procedure for the unit being serviced and reattach the lift motor to the ramp (elliptical) or lift platform (treadmill). NOTICE: You must find and repair the cause for the jammed lift. Only re-calibrating the lift motor will not solve the problem.
  3. One of two modes can cause the lower PCA to fail. The lift switch could fail in an operated condition. If this happens the lift will move (either up or down) as soon as the unit powers up. The usual result is that the lift will be physically jammed as explained above, and probably also being cause for the lift fuse to blow. The lift switch could also fail in an open condition. If this happened, the lift would not operate in one direction. If either of these conditions occur the lower PCA needs replaced.
  4. Most units have the lift capacitor mounted inside the lift motor, and others use external lift capacitors. This information applies to units with the external lift capacitors. If the lift capacitor is shorted the lift fuse blows. Check the capacitor for a short using an ohm meter. Disconnect the capacitor from the lift motor and test. A good capacitor reads in the millions of ohms. Replace the capacitor if the reading is significantly low. Capacitor can also fail in the open condition which would result with the lift motor trying to run but not having normal power. Test the capacitor by measuring AC voltage across it. A good capacitor will read AC peak voltage while an open capacitor reads AC RMS voltage.
  5. When a lift motor winding is bad the lift will not operate in one or both directions depending upon the exact fault in the motor. Check the lift motor winding with an ohm meter. AC lift motors have a split winding (3 wires) and DC lift motors will have a single winding. Both windings must be checked on an AC lift motor. Normal winding readings could vary anywhere between 1 and 60 ohms, depending on the lift motor being tested. See the proper service manual for the motor being tested.
  6. Test unit with a known good interconnect cable. Replace the interconnect cable if necessary.
  7. Test unit with a known good upper PCA. Replace the lower PCA if necessary.
Precor Error Code 40

Jul 09, 2011 | Precor 9.21 Treadmill

1 Answer

Precor treadmill error message 41


Precor Error 41, Lift has not Responded in Acceptable Time Probable Cause Error 41 was present in early software versions and is no longer being used.
Corrective Action If you encounter a unit that has software with an error 41, diagnose the same way you would if getting an error 40.

***
Precor Error 40, No Lift Motion Detected Probable Cause 1. Blown lift fuse in lower PCA.
2. Lift motor is physically jammed and not able to move.
3. Bad lower PCA.
4. Bad lift capacitor.
5. Bad lift motor winding.
6. Bad interconnect cable between upper and lower PCA.
7. Bad upper PCA.
Corrective Action
  1. Check the lift fuse from the lower PCA. Using an ohmmeter, the fuse should measure 1 ohm or less. If the reading is significantly high, replace the fuse. If the fuse is open, refer to steps 3 and 4 before continuing.
  2. Disconnect the lift motor from the ramp (elliptical) or lift platform (treadmill). If the lift nut or lift tube is jammed against the motor housing, turn the lift tube or lift nut away from the motor housing. If the lift was jammed, refer to step 3 before continuing. Calibrate the lift motor per the proper procedure for the unit being serviced and reattach the lift motor to the ramp (elliptical) or lift platform (treadmill). NOTICE: You must find and repair the cause for the jammed lift. Only re-calibrating the lift motor will not solve the problem.
  3. One of two modes can cause the lower PCA to fail. The lift switch could fail in an operated condition. If this happens the lift will move (either up or down) as soon as the unit powers up. The usual result is that the lift will be physically jammed as explained above, and probably also being cause for the lift fuse to blow. The lift switch could also fail in an open condition. If this happened, the lift would not operate in one direction. If either of these conditions occur the lower PCA needs replaced.
  4. Most units have the lift capacitor mounted inside the lift motor, and others use external lift capacitors. This information applies to units with the external lift capacitors. If the lift capacitor is shorted the lift fuse blows. Check the capacitor for a short using an ohm meter. Disconnect the capacitor from the lift motor and test. A good capacitor reads in the millions of ohms. Replace the capacitor if the reading is significantly low. Capacitor can also fail in the open condition which would result with the lift motor trying to run but not having normal power. Test the capacitor by measuring AC voltage across it. A good capacitor will read AC peak voltage while an open capacitor reads AC RMS voltage.
  5. When a lift motor winding is bad the lift will not operate in one or both directions depending upon the exact fault in the motor. Check the lift motor winding with an ohm meter. AC lift motors have a split winding (3 wires) and DC lift motors will have a single winding. Both windings must be checked on an AC lift motor. Normal winding readings could vary anywhere between 1 and 60 ohms, depending on the lift motor being tested. See the proper service manual for the motor being tested.
  6. Test unit with a known good interconnect cable. Replace the interconnect cable if necessary.
  7. Test unit with a known good upper PCA. Replace the lower PCA if necessary.

Precor Error Code 40

Jan 11, 2011 | Precor 9.21 Treadmill

1 Answer

What is error code 41 on a precor 9.21i?


Precor Error 41, Lift has not Responded in Acceptable Time Probable Cause Error 41 was present in early software versions and is no longer being used.
Corrective Action If you encounter a unit that has software with an error 41, diagnose the same way you would if getting an error 40. Precor Error 41


******

Precor Error 40, No Lift Motion Detected Probable Cause 1. Blown lift fuse in lower PCA.
2. Lift motor is physically jammed and not able to move.
3. Bad lower PCA.
4. Bad lift capacitor.
5. Bad lift motor winding.
6. Bad interconnect cable between upper and lower PCA.
7. Bad upper PCA.
Corrective Action
  1. Check the lift fuse from the lower PCA. Using an ohmmeter, the fuse should measure 1 ohm or less. If the reading is significantly high, replace the fuse. If the fuse is open, refer to steps 3 and 4 before continuing.
  2. Disconnect the lift motor from the ramp (elliptical) or lift platform (treadmill). If the lift nut or lift tube is jammed against the motor housing, turn the lift tube or lift nut away from the motor housing. If the lift was jammed, refer to step 3 before continuing. Calibrate the lift motor per the proper procedure for the unit being serviced and reattach the lift motor to the ramp (elliptical) or lift platform (treadmill). NOTICE: You must find and repair the cause for the jammed lift. Only re-calibrating the lift motor will not solve the problem.
  3. One of two modes can cause the lower PCA to fail. The lift switch could fail in an operated condition. If this happens the lift will move (either up or down) as soon as the unit powers up. The usual result is that the lift will be physically jammed as explained above, and probably also being cause for the lift fuse to blow. The lift switch could also fail in an open condition. If this happened, the lift would not operate in one direction. If either of these conditions occur the lower PCA needs replaced.
  4. Most units have the lift capacitor mounted inside the lift motor, and others use external lift capacitors. This information applies to units with the external lift capacitors. If the lift capacitor is shorted the lift fuse blows. Check the capacitor for a short using an ohm meter. Disconnect the capacitor from the lift motor and test. A good capacitor reads in the millions of ohms. Replace the capacitor if the reading is significantly low. Capacitor can also fail in the open condition which would result with the lift motor trying to run but not having normal power. Test the capacitor by measuring AC voltage across it. A good capacitor will read AC peak voltage while an open capacitor reads AC RMS voltage.
  5. When a lift motor winding is bad the lift will not operate in one or both directions depending upon the exact fault in the motor. Check the lift motor winding with an ohm meter. AC lift motors have a split winding (3 wires) and DC lift motors will have a single winding. Both windings must be checked on an AC lift motor. Normal winding readings could vary anywhere between 1 and 60 ohms, depending on the lift motor being tested. See the proper service manual for the motor being tested.
  6. Test unit with a known good interconnect cable. Replace the interconnect cable if necessary.
  7. Test unit with a known good upper PCA. Replace the lower PCA if necessary.

Precor Error Code 40

Jan 01, 2011 | Precor 9.21 Treadmill

3 Answers

My Precor C956 treadmill reads erroe code 45. what does this mean and what can I do?


Error 45, Lift Moving in Wrong Direction It maybe the lift motor itself the potentiometer maybe defective, the ribbon between upper and lower boards

Feb 27, 2010 | Precor C954i Commercial Treadmill

2 Answers

???maximum user weight for Precor 9.45i


Normally most home treadmills are 250-300lb user capacity.
Call Precor with your model # and S/N and they can tell you exactly.

Apr 27, 2009 | Precor C956i Treadmills with HR /...

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