Question about Precor C956i Treadmills with HR / WholeSale

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Precor 956i Vibrate low speed

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Sometimes a bad MCB will cause a vibration at certain low speeds. If you have another unit, swap MCBs to verify.

Posted on Jan 18, 2015


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Posted on Jan 02, 2017

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SOURCE: My precor 956i sets the reset button off after 20 mins of use. It is on its own 20 amp circit.Sometimes it shuts off sooner

You have mixed problems: mechanical-electical-electronics
I am giving a combo for solutions Watch the videos-tips for mechanical adjustments firts:
If the problem persist, go to the 2nd phase:
After this adjustments, if the problem persist you will be Strong conclusion: 1) Transformer Faulty, 2) Speed SENSOR 3) Main Motor 4) PController Motor Board, Since PCB controls 90-95% functions of the treadmills. sincerely.

Posted on Nov 21, 2011

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When push quick start button, why does it display Erro 30 and doesn't run?

Hi There....This is a great message for ALL PRECOR 956/966 owners. This failure usually relates to a "communications" error between the upper and lower electronics. This particular failure is a direct result of a failed IFT drive module, or the lower drive "box" that is made by Advanced Drive Technology. The brains of this lower controller has failed and cannot "talk" to the upper board anymore due to several failed parts inside this box. You are lucky to have this failure arise over a fatal blow-out. Now replacements thru Precor or a distributor will be $550+ and are usually low stock items at places, but you can get repairs and exchanges of this Precor IFT drive by emailing gregATbuyfitnessrepairpartsDOTcom for much less than all other vendors. Currently these IFT drives are 380 exchange and 199 repair and turnaround is one day. Good Luck!

Feb 11, 2016 | Precor 956i Experience Series Treadmill...

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Precor experience

Even in a commercial environment, the batteries eventually go dead. Will they go dead faster because of lack of use? Depends on what exactly 'occasionally' means in your case. If it means rarely, then get an adapter.

Aug 22, 2014 | Precor 956i Experience Remanufactured

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Error code 16 coming up on my treadmill 956i

Precor Error 16, AC Input Voltage Too Low Probable Cause 1. AC input voltage is incorrect.
2. Treadmill operating on undersized AC wiring and/or is drawing high current.
Corrective Action
  1. Verify AC feed into the building's circuit breaker is correct and connected to the proper transformer tap.
  2. The AC wiring must be sized to handle 20 amps of current over the loop length of the AC wiring. Voltage drop across the AC input wiring is a result of the length of the wire run multiplied by the amount of current being demanded by the treadmill. The longer the run and the higher the current the large the wire must be.Verify the unit is connected to an isolated and dedicated 20 amp circuit.
Precor Error 16

Mar 28, 2014 | Precor Exercise & Fitness

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Hello, I need a circuit board for Precor 956i, international model (230v).

Dear Sir:

You can go +

sincerely. God bless you.

ernesto cuadra
managua, nicaragua. c.a

Mar 08, 2012 | Exercise & Fitness

1 Answer

Belts are slipping,

your treadmill's belt is loose. You have to tight the belt from the both side.
all the treadmills follow the same procedure for tightening the waking belt. Watch the following video for the same.

Mar 16, 2011 | Precor 956i Experience Series Treadmill...

1 Answer

We have a 2 new 956i treadmills why don't they run with a GFCI or will they?

Most treadmills are designed to use the ground to disperse extra static energy - the ground on the GFCI is used to detect fluctuations in the current flow from the hot to the neutral side. The difference in current flow can be as small as 5 milliamps. When the ground pin on the GFCI detects this fluctuation, the ground will open the circuit. This is why it is not recommended to plug a treadmill into a GFCI.

Nov 17, 2010 | Precor 956i Experience Series Treadmill...

1 Answer

On my Precor 956 i the Stop Key prompt appears

There is a micro switch under the red "Stop" button. The switch is stuck and needs to be replaced.

Oct 24, 2010 | Precor 956i Experience Series Treadmill...

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