Precor C956 Treadmill with Cardio Theater Option (Used) Logo

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Anonymous Posted on Sep 28, 2012

I have 3 Cardio Theater tv's on Precor treadmills that have power to them (red light on) but picture wont turn on (blue light) any suggestions

3 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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ercupa190

ernesto cuadra

  • 12223 Answers
  • Posted on Sep 28, 2011

SOURCE: Trying to fix a 20+ yr.old treadmill (Precor USA

Dear Sir:

I hope you are very well, in union with your family.

Thank you by your request, and I will help you inmediately.

Please follow the next step with very carefully:

    • 1
Makesure that the surge protector being used is properly grounded(Very Important) and turned on.Check that the treadmill power cord is properly plugged into the surgeprotector.
    • 2
Checkto see that the key is inserted in the console.
    • 3
Checkthe circuit breaker on the frame near the power cord. If the reset/off circuitbreaker has tripped, wait 5 minutes and then reset the breaker by pressing theswitch in.
4)Check the circuit braker panel house, and reset.
Static Shock Problems:

Many people face a conundrum when using a treadmill. The problem is that a treadmill has you walk or run in a motion that causes you to build up an electrical charge on your body while you are exercising.
The problem if you are swinging your arms, you are totally isolated from any common ground so the charge just builds and builds and many discharges have been measured above 30,000 volts.

You may say, how in a frost-covered hell can I build up 30,000 volts on my body without killing myself? Good question and it has a good
answer...there is very little amperage. It will pop you good when you do ground and sting but it won't hurt you.
The problem is that it can damage the treadmill's electronics if it is not properly designed and we still see poor designs in this respect

If you don't like getting popped or if your treadmill is shutting down or going crazy, there is a fix. You can ground yourself to keep the electricity from building up on your body.

We now have wrist grounding straps that can be reused and attach to the frame of the treadmill without causing any markings and do not require any permanent modification to your treadmill. You can find them in any online catalog by electronic sales by searching for Grounding Strap.

Thank in advance, sincerely. God bless you.

If you need further assistance, please contact us.

E.CUADRA
MANAGUA, NICARAGUA. C.A
.

ercupa190

ernesto cuadra

  • 12223 Answers
  • Posted on Feb 29, 2012

SOURCE: Precor 9.25i treadmill will not turn on at on/off switch. It throws a spark then immediatly turns off

Der Sir;
The power switch is failure , you must Change the switch. You must be shure the some wires is Not loose, otherwise the wires will be touching the carcase causing the spark inside. Retight the wires or solder .You must inspect the main motor board and all the element around . If someone is burned or other wires is touching the carcasing producing the spaprk.
sincerely. God bless you.
ernesto cuadramanagua, nicaragua c.a.

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Precor Treadmill C956 error 21

Precor Error Code 21 Error Code: 21 Manufacturer: Precor
Model: All Models
Error Description: Error 21, Too many Consecutive Power Requests- The error 21 observes a treadmill's power bit reading when the treadmill was operating at speeds above 1 mph. Power bits indicate the relative time that the motor controller drive circuit is turned on. Power bits is an indication of the amount of power the load is demanding from the motor controller. Error 21 indicates that at a speed greater than 1 mph, an excessive amount of power is being demanded from the motor controller. Possible Reason:
  1. A badly worn deck and/or running belt can cause the error to appear when the unit is in use.
  2. Badly worn drive motor brushes may not be making proper contact with the drive motor commutator causing the error to occur when the unit is in use. The unit may also slow down or become sluggish when the load or speed is increased.
  3. A jumper may be required on the lower PCA if installed into a 120 VAC (Version 2) treadmill.
  4. A leaky or shorted drive motor filter capacitor (on units equipped with SCR motor controller) could increase the current demand enough to cause the error.
  5. A leaky or shorted drive motor inductor (on units equipped with SCR motor controller) could increase the current demand enough to cause the error.
  6. The high power demand is caused by a shorted or de-magnetized drive motor.
Recommended Action:
  1. Determine the amount of AC input current being drawn by the unit under no load and loaded conditions using a clamp on AC ammeter. The current displayed can be used to determine the condition of the deck and/or running belt. These same readings should be taken on a like unit, in good operating condition with a know good deck and running belt. The readings from the unit in good operationg condition can be used as the benchmark. Compare readings and replace* the deck and/or running belt if necessary. *Some units have a reversible deck. Be sure if the deck is being flipped or replaced, a new belt is installed on the new deck surface.*
  2. Inspect and repalce both drive motor brushes if necessary.
  3. Inspect the lower PCA (if unit is 120 VAC/ Version 2) for jumper. If jumper is not installed, error typically appears between 7 mph & 8 mph. Install jumper if necessary. CAUTION - DO NOT install jumper if unit is 240 VAC. Installing the jumper on a 240 VAC unit will casue the lower PCA to fail.
  4. Measure the AC input current without a load using a clamp on AC ammeter. Electrically isolate the filter capacitor from the drive motor circuit. The drive motor leads need be kept intact so the drive motor will operate with the filter capacitor removed from the circuit. Re-measure the no load AC input. If the AC input current is significantly lower, replace the filter capacitor.
  5. Measure the AC input current without a load using a clamp on AC ammeter. Electrically isolate the inductor from the drive motor circuit. The drive motor leads need be kept intact so the drive motor will operate with the inductor removed from the circuit. Re-measure the no load AC input. If the AC input current is significantly lower, replace the inductor.
  6. Swap the existing drive motor with a known good drive motor.
Precor Error Code 21
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Tv flickerig on precore eliptical

Dear Sir:
You must test the power supply inside of TV, if you have skill for to do oit use DVOM, otherwise you must call some service tech, or go to repair shop.
However try to tight every connector wires, for loose, breake(test the wires for continuity) or burn.
God bless you.
5_14_2012_12_50_27_pm.gif
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What is the problem on a C956i when error code 15 comes up? Can this be fixed by the user or does it require a professional?

Precor Error 15, AC Input Voltage Too High Probable Cause 1. AC input voltage is incorrect.
2. AC input voltage transients. Transients can be caused by lightning strikes or by other pieces of equipment sharing the unit's AC power.
Corrective Action
  1. Verify AC feed into the building's circuit breaker is correct and connected to the proper transformer tap.
  2. Ensure the AC grounding for the unit's outlet is good and verify the unit is connected to an isolated and dedicated 20 amp circuit.
Precor Error Code 15
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It has an error 15 that keeps poping up

Precor Error 15, AC Input Voltage Too High Probable Cause 1. AC input voltage is incorrect.
2. AC input voltage transients. Transients can be caused by lightning strikes or by other pieces of equipment sharing the unit's AC power.
Corrective Action
  1. Verify AC feed into the building's circuit breaker is correct and connected to the proper transformer tap.
  2. Ensure the AC grounding for the unit's outlet is good and verify the unit is connected to an isolated and dedicated 20 amp circuit.
Precor Error Code 15
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What does Err26 mean?

Precor Error Code 26 Error Code: 26 Manufacturer: Precor
Model: All Models
Error Description: Error 26, Motor Pulse Width Incorrect - Observation of the speed sensor signal and verification the signal from the speed sensor is appropriate for the requested speed. If an incorrect or erratic speed sensor signal is detected the error appears. Possible Reason:
  1. The line of sight between the speed sensor and the speed sensor target is obstructed.
  2. Incorrect gap between the speed sensor and the speed sensor target.
  3. Incorrect adjustment of the speed sensor potentiometer (when equipped).
  4. Damaged speed sensor target.
Recommended Action:
  1. Using a static safe vacuum cleaner, carefully vacuum out the drive motor compartment. Be sure to thoroughly clean the area between the speed sensor and the speed sensor target.
  2. Inspect the gap of the speed sensor to the speed sensor target. Proper gap is 3/16" and the speed sensor photo eye should be aimed at the larger portion of the targets wedge shaped section. If unit has a magnetic speed sensor, the gap between the end of the sensor and the flywheel tooth needs to be 3/16".
  3. Locate the speed sensor potentiometer (when equipped) on the lower PCA. Set the speed sensor potentiometer to mid-range. Start the treadmill and increase speed to 6 mph. Carefully adjust the speed sensor potentiometer until the treadmill is operating the smoothest. Increase the speed to full speed and again adjust the speed sensor potentiometer until the treadmill is operating the smoothest. These two adjustments are typically small and are generally only a matter of fine tuning.
  4. Inspect the speed sensor target for any scratches or tears that could cause incorrect readings. Replace the speed sensor target if necessary.
Precor Error Code 26
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I have a C956 treadmill. I am getting error code 44, can you tell me what that means?

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
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The tv on my treadmill has lines through it,

Your problem is the three capacitors which are located beside ic50. Yhey are 100 / 22 and 10uf.
The ESR will be high. Change all three and your up and running.

Philly.
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Machine is showing error 30 how do I fix that

Precor Error 30, 31, 32 and 33, Communications Error Probable Cause 1. Bad interconnect cable between upper PCA and lower PCA.
2. Interconnect cable is mistakenly plugged into the CSAFE connector at the upper PCA.
3. Elliptical 5.17 equipped with old software version 1.01 in upper and lower PCA.
4. Upper and lower PCAs have mismatched software.
5. Another component plugged onto the PCA is overloading the +5VDC power supply.
6. Bad lower PCA.
7. Bad upper PCA.
Corrective Action
  1. Test unit with a know good interconnect cable or test the interconnect cable for continuity. Replace interconnect cable if necessary.
  2. Disconnect the interconnect cable from the CSAFE connector and attach to the proper position on the upper PCA.3.
  3. Replace the upper and lower software of the 5.17 elliptical with the most current versions.4.
  4. If one of the PCAs is found to have software version 1.01, replace it with the most current software version.
  5. Disconnect all components from the upper and lower PCA leaving the data cable connecting between the upper and lower PCAs and the AC power going to the lower PCA. If the unit shows any error other than the error 3x, reconnect components one at a time. Reset power between each newly connected component until the error 3x reappears. Whichever component was last connected when the error 3x reappears, is the cause for the error. Replace the faulty component.
  6. Test unit with a known good lower PCA. Replace the lower PCA if necessary.
  7. Test unit with a known good upper PCA. Replace the upper PCA if necessary.
Precor Error Code 30 31 32 33
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On switch flicks off when electricity turned on

The switch is also a circuit breaker it tells me that their is a good chance your Motor Control Board is shorted and will need to replaced or can be rebuilt. Call National Gym Supply @ 800-496-7278 and ask for pricing for new or repair.
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