Question about Stairmaster 4400 PT Stair Stepper

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My stairmaster 4400 is "slipping" during workouts. This has happened several times before and it was always the resistor needed repacement. any help where I can get part and/or repairman. I am in montana..40 minutes south of missoula. Thamks, Tom Martin

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It sounds like the alternator brushes may be worn and causing the slippage.
You con this part from Nation Gym Supply call the @ 800-496-7278 and order part # SM001 cost $10.50 plus s/h Also order commutator stone part # MCT035.1 cost $3.90 Here the procedure of replacing the alternator brush:
Pull the side panels off locate the alternator where the wire connections are you will see a brown wire with a diode attached to it connected to a spade connector. This is where the brush is located remove the diode and the 2 screws pull the brush out. Now push the foot pedal and insert commutator stone and clean the 2 section of the commutator. Then Be careful when inserting the brush have both sections go in simultaneous as you pulled out the old brush. Insert screws and connect the diode then test unit this should take of problem.

Posted on May 31, 2010

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1 Answer

My stairmaster 4400 CL smells hot, like a furnace just turning on, about 10 minutes into the work out.


This is common in these machines. There is a ceramic load resistor in these units. They can get dust on them and this will cause the machine to produce a smell when the resistor heats up. Load Resistor Testing for Stairmaster Steppers 4400CL 4600CL

Oct 03, 2014 | Exercise & Fitness

1 Answer

I have a stairmaster 4400 and every time I get on and try to select a workout it says config rqrd and if I push the clear button it turns off


Display reads CONFIG RQRD or NTM CONFIG RQD on Stairmaster Equipment Probable Cause The message CONFIG RQRD or NTM CONFIG RQD appears when the console needs to be configured for the machine type it is installed. This message is common when the console has been replaced or if the settings have been changed. Message is commonly seen on various Stairmaster equipment such as bike models 3000CE, 3300CE, 3400CE, 3600RC, 3800RC and 3900RC; stepper models 4400PT, 4600PT, 4400CL, 4600CL and SC916; stepmill models 7000PT and SM916; elliptical model ClubStride 5100.
Corrective Action
  • Make sure the unit is in an "idle" state. "Idle" state means the console is not displaying an error or any message that requires data input. The display should basically be freshly powered up, scrolling the EKG or welcome message
  • Configure the console for the proper machine type by pressing Level UP, 80, ENTER
  • Using the Level UP or Level DOWN keys, scroll through to the proper machine type (Bike, Elliptical, Stairclimber or Stepmill)
  • Once the proper machine type is shown on the display select the machine type by pressing ENTER
  • This completes the steps necessary when your Stairmaster display reads CONFIG RQRD or NTM CONFIG RQD
Stairmaster Console Message CONFIG RQRD or NTM CONFIG RQD

Feb 26, 2014 | Stairmaster 4400 PT Stair Stepper

1 Answer

I have a stairmaster 4400 and every time I get on and try to select a workout it says config rqrd and if I push the clear button it turns off


Display reads CONFIG RQRD or NTM CONFIG RQD on Stairmaster Equipment Probable Cause The message CONFIG RQRD or NTM CONFIG RQD appears when the console needs to be configured for the machine type it is installed. This message is common when the console has been replaced or if the settings have been changed. Message is commonly seen on various Stairmaster equipment such as bike models 3000CE, 3300CE, 3400CE, 3600RC, 3800RC and 3900RC; stepper models 4400PT, 4600PT, 4400CL, 4600CL and SC916; stepmill models 7000PT and SM916; elliptical model ClubStride 5100.
Corrective Action
  • Make sure the unit is in an "idle" state. "Idle" state means the console is not displaying an error or any message that requires data input. The display should basically be freshly powered up, scrolling the EKG or welcome message
  • Configure the console for the proper machine type by pressing Level UP, 80, ENTER
  • Using the Level UP or Level DOWN keys, scroll through to the proper machine type (Bike, Elliptical, Stairclimber or Stepmill)
  • Once the proper machine type is shown on the display select the machine type by pressing ENTER
  • This completes the steps necessary when your Stairmaster display reads CONFIG RQRD or NTM CONFIG RQD

Stairmaster Console Message CONFIG RQRD or NTM CONFIG RQD

Feb 26, 2014 | Stairmaster 4400 PT Stair Stepper

1 Answer

Slipping pedals on stairmaster 4400 freeclimber


Start by checking the alternator brushes. Worn brushes are the leading cause of no resistance issues in these machines.


SPORTSMITH LLC

Dec 03, 2013 | Stairmaster 4400 PT Stair Stepper

1 Answer

Stairmaster won't have a continuous workout


My Stairmaster unit seems to work in manual mode, but resets when I select a program. What is wrong? It is possible that the console on your Stairmaster unit may not be configured for the appropriate machine. This can result in the console accepting and allowing a manual workout but not accepting or allowing a program. Stairmaster Units Works in Manual Mode but Not in Program

Nov 01, 2012 | Stairmaster Exercise & Fitness

1 Answer

Program shuts down during exercise. Resets to default program. As if rebooted. have all new parts,(alternator, key board, gray cable, resistor, power input )


Hello,

I am having the same issue with my 4XXX StairMaster unit.

I am suspecting that the voltage regulator on the lower board is at fault and that a lower board replacement is in order. I have checked everything else (motor, resistor, power supply).

Try this:

My machine REBOOTS if I choose:


- Rolling Hills
- 200 lbs
- Difficulty 20
- 20 minutes

My machine OPERATES NORMALLY when I choose:

- Rolling Hills
- 200 lbs
- Difficulty 1
- 20 minutes

Apparently, the problem only manifests itself at HIGH RPM, which is probably related to a LOWER BOARD / VOLTAGE REGULATOR issue.

Graham Leach

Apr 12, 2011 | Stairmaster 4400 PT Stair Stepper

1 Answer

Stairmaster 4400pt seems to have a slipping chain.


Replacement Parts for Fitness Exercise Equipment at SPORTSMITH

You can take the covers off and see if it is indeed the chain that is slipping, but in most cases, the drive sprocket is actually what is failing. The following link will take you the item that should rectify your issue.

Drive Hub for Stairmaster Steppers 4000PT 4400CL 4600CL 4400PT 4600PT...

Nov 04, 2010 | Stairmaster 4400 PT Stair Stepper

1 Answer

My Stairmaster 4400 is making a grinding sensation I can feel in the steps, what could this be?


check the chans to see if the rusty ore your cluches are starting to slip some of them have a grease zerk on the clutch housing next to the feram by the sperockets

Apr 25, 2010 | Stairmaster 4400 PT Stair Stepper

2 Answers

Stairmaster 4000pt pedals lose resistance during workout


THEIR IS A TRANSMISSION ASSEMBLY IN THIS UNIT THAT CAN FAIL.. TAKE THE SIDE PANEL OF INSPECT THE ALTERNATOR BRUSHES THEY MAY BE WORN THUS ALSO CAUSING THIS PROBLEM THE LATTER WOULD A CHEAPER REPAIR

Feb 23, 2010 | Schwinn Wide Ride Pedal

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