Precor 933 Premium Series Treadmill Logo

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tom zanghi Posted on Jul 19, 2012
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I have a precor 9.3 treadmill that works until you i start running on it, what is the cause?

It shuts down after a few seconds of running

1 Answer

ernesto cuadra

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  • Precor Master 12,223 Answers
  • Posted on Jul 20, 2012
ernesto cuadra
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Joined: Sep 03, 2011
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1= LUBE the deck belt , this happen because enough friction produce shut down, for to protect the electronic system.
2= LUBE the rollers bearings too
3= measure the input voltage motor, if there are the motor need repair
4= measure the output voltage board, for input voltage motor, if there are NOT the board is faulty.
see the block
God bless you

I have a precor 9.3 treadmill that works until you - 7_20_2012_9_38_04_am.gif

5 Related Answers

Anonymous

  • 14 Answers
  • Posted on Apr 29, 2009

SOURCE: ???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.

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Anonymous

  • 2 Answers
  • Posted on Feb 12, 2010

SOURCE: c956 precor treadmill

Hi
not to sound funny but are you sure that you have this tread set in the units (mpg/kph) that you require. i have worked in loads of gyms and its a common problem that people think the belt is running to fast because its set in kph and that thinks its in miles eg 9mph = 14.5kph
you can check and change the units in the club setting menu.
hope this helps :)

maxtreadmill

John Mazmanian

  • 832 Answers
  • Posted on Mar 14, 2010

SOURCE: My Precor 9.21 si Treadmill shuts down upon

Hey Doug,

Just wondering has this unit ever had the running deck flipped over if not this may be sighs of worn deck or belt or both! What is starting to happen is that at the higher speed the unit is starting to draw more current, so the motrol control board will sense this and will shut down so it won't damage either the motor or board. What starts as an occassional shut down will progressively become more frequent. Simple test is put your hand palm down between the belt and deck,if you feel uneven ridges then the deck needs to be flipped over and when you pull out your hand out and their is a black sooty film on the back of it ,then that seals it this means that the composite material is being shaved off. Most likely the belt will have a smooth glazed feeling in the middle part of it. and well also need replacing.

Anonymous

  • 15 Answers
  • Posted on Jul 09, 2010

SOURCE: Just moved my precor c966i treadmill (we

it should be a cable that looks like an oversized telephone cable. I can't really tell by the description of the problem if you just can't remember where it plugs into or if you've lost it altogether. There will be a circuit board in the base of the treadmill that will have something that looks like a phone jack port on it. That's where it will plug into. There should only be one port on the lower board that will accept that style of plug.

Testimonial: "This is the exact answer to the problem--after much searching around, I finally found the little box it fit into. the treadmill is up and running. Thanks for your input."

Anonymous

  • 48 Answers
  • Posted on Nov 25, 2010

SOURCE: treadmill precor 655 runs suddenly fast then

speed sensor error
check clean or replace

Testimonial: "easy was it it was good after i tighten the screws of speed sensor"

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Related Questions:

0helpful
2answers

Precor 9.45 reset safety switch message wont go away

If you have checked the safety switch on your Precor 9.45 treadmill and everything seems to be intact, and the "reset safety switch" message still won't go away, it's possible that the switch itself is faulty or the console is not receiving the signal from the switch.
You can try cleaning the switch and the area around it, and also check the wires that connect the switch to the console to make sure they are not damaged. If the switch or wires appear to be damaged, they may need to be replaced.
If cleaning and checking the switch and wires doesn't resolve the issue, it's recommended that you contact the manufacturer or a qualified repair technician to further diagnose and fix the problem. They may be able to provide additional troubleshooting steps or suggest other possible solutions.
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Error 27

Precor Error 27, Too Much Drive Motor Current Probable Cause 1. The running belt and/or deck are badly worn.
2. Drive motor is shorted or de-magnetized causing a high power demand.
Corrective Action
  1. Check the amp draw using a clamp on AC volt-amp meter during loaded and no load conditions and compare values to a similar treadmill that is known to have a good running belt and deck. Replace the belt and/or deck if necessary. Don't forget, some units have a double sided deck which means it may be flipped over rather than replaced if it has an unused side.
  2. Test unit with a known good drive motor. Replace drive motor if necessary.
Precor Error Code 27
0helpful
1answer

My 933i is tripping my house circuit breaker at higher speeds. I think there is more resistance in the belt (It's never been serviced).

When a running belt has excessive wear, it creates a lot of friction which causes the drive motor to work harder. When the drive motor works harder it will start overheating. If the belt is not lubricated periodically, it will ruin the deck, the drive motor, and cause other electrical problems such as tripping the breaker [after a while, the circuit breaker on the treadmill will need to be replaced.

It is suggested to lubricate the belt monthly. At this point, you may need to replace both your deck and your running belt.

With your model and serial number, you can visit our website and view the products we have available for your particular machine. -

Precor Repair Parts for 9 21s 9 21si Treadmills Consumer SPORTSMITH net



The following link will take you to our tech support page that contains some tips and videos on how to maintain your treadmill:



SPORTSMITH LLC
0helpful
1answer

Cuts off and speed is variable and shows err 4

Precor Error E4, Incomplete Initialization Probable Cause Indicates that an incomplete upper PCA to lower PCA initialization occurred. When this error occurs, all lift motor and drive motor motion is ceased and the display will go blank except for the error displayed.
Corrective Action Run the initialization program. Caution: The treadmill's running belt will accelerate to the treadmill's maximum speed (12mph). DO NOT stand on the treadmill's running belt during the procedure.
  1. Set the on/off switch to the OFF position. Wait a minimum of 10 seconds to allow the internal power supply to discharge.
  2. Remove the safety key from the console and set the on/off switch to the ON position.
  3. Press INCLINE UP and SPEED DOWN keys together. While pressing these keys, replace the safety switch on the console. Continue holding the INCLINE UP and SPEED DOWN keys until the display goes blank. INIT will appear in the time window of the display. The EEPROM is now clear and reset. After a second, 1.25 will appear in the distance/calories window, 15.0 (the maximum incline) will appear in the incline window, and 12.0 (the maximum speed) will flash in the speed/pace window.
  4. Press QUICKSTART to begin the speed calibration process. Power bits will appear in the incline window, the target speed will appear in the time window and the actual speed will appear in the speed/pace window. At the beginning of the process, the target speed will be .5mph. The running belt will start. Once the actual speed reaches .5mph, the target speed will then change to 12mph and the running belt will accelerate until it reaches 12mph, then it will stop.
  5. When the running belt stops, the display will return to the user mode and the initialization process is complete.
Precor Error Code E4
0helpful
1answer

Hello, Our Precor 9.21si begins slipping after walking or running a few minutes. Seems to be worse the faster you go. After about 1 mile, the house fuse blows. What troubleshooting steps do you thi

This really sounds like the results of long term use without lubrication or wax between the belt and deck. Chances are you will need to replace the running belt and the deck or flip the deck if it has not already been done. The friction builds up between the deck and belt and caused the electronic components to overheat. The machine is shutting down as a precautionary measure. It will do this only so many times before the electronics are zapped. Start with the deck and belt. Hopefully the electronics are okay. With your model and serial number, you can visit our website and view the products we have available for your particular machine.
Precor Repair Parts for 9 21s 9 21si Treadmills Consumer SPORTSMITH net
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My precore 9.43 starts to run then in 5 seconds turns itself off. Says ERROR- nothing more.

proceed according and fix it. God bless you

1 )Locate the reset switch on the underside of the treadmill console. Usually the button is large enough to trigger with a pencil eraser or Q-tip. Plug the treadmill plug back into the wall. Use the Q-tip to press the reset button. It may be necessary to hold the reset button down for a few seconds. "CL11" will appear in the display of the treadmill.



  • 2

Press the reset button one more time with the Q-tip. "CL21" should appear on the screen. Press the enter key. The display will change again and show "CL22." Keep pressing the enter key until the numbers cycle through to the number "CL26." Press enter one more time. The letter E should appear on the display screen.

0helpful
1answer

Precor 9.35 Error 5

please see the details and proceed according. God bless you
0helpful
1answer

I have a Precor 9.33i Treadmill. It works perfectly until I start to walk/run on it and then it shuts down. What is causing this?

LUBE THE deck belt, this happen because the system protect the electronic system, with shut down.
2= LUBE THE ROLLERS BEARINGS TOO
3= measure the input voltage motor, if there are the motor need repair
4= measure the output voltage board, for input voltage motor, if there are NOT the boar is faulty.
see the block d
God bless you
7_20_2012_9_39_47_am.gif
0helpful
1answer

Have a Precor M9.1 treadmill which cuts off after about 5 to minutes of use. It can be reset immediately and will run for another 5 to 10 minutes before cutting off again. The belt is well aligned and...

When a running belt has excessive wear, it creates a lot of friction which causes the drive motor to work harder. When the drive motor works harder it will start overheating. If the belt is not lubricated periodically, it will ruin the deck, the drive motor, and cause other electrical problems such as tripping the breaker [after a while, the circuit breaker on the treadmill will need to be replaced.
It is suggested to lubricate the belt every month. At this point, you may need to replace both your deck and your running belt.

With your model and serial number, you can visit our website and view the products we have available for your particular machine.
Precor Repair Parts for 9 1 9 10 Treadmills SPORTSMITH net
6helpful
4answers

My Precor 9.35 treadmill keeps shutting off. At first I thought this was due to use or it getting overheated. But, today I turned it on several times and it would shut off as I was walking on it. The...

Is it on an extension cord? Take it off any extension cords and make sure it's on a dedicated 120v circuit. No other items on the circuit. Also, how old is it? Precor made a bunch of the 9.3x series from 2002-2005 with an aluminum tail roller that can cause problems. Check the back roller. Is is silver and non-magnetic? if that's the case, you have an aluminum roller and you need to contact precor. If you're the original owner of the machine, they should warranty the replacement of the parts, if not, you'll have to buy at the very least a running belt and new roller.
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