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I have a Stairmaster 4600CL and enter programs and it just
I have a Stairmaster 4600CL and enter programs and it just keeps going back to start. Bad control board, low battery??? Any ideas? … read more
treadmilltech
treadmilltech
Technician
High School or GED
4,955 satisfied customers
I have a stairmaster 4000pt. It has stopped working. The
I have a stairmaster 4000pt. It has stopped working. The power supply's light is red. Do you know where I should stert … read more
Pete
Pete
Electronic Engineer
Bachelor's Degree
20,839 satisfied customers
There's really not much else going on. I did have a friend repla
There's really not much else going on. I did have a friend replace the hub assembly a couple of years ago when the same thing happened and it was fine until a couple of weeks ago. I have a Stairmaster… read more
Louie
Louie
Technician
Associate Degree
57 satisfied customers
I have stairmaster 4400PT. Original owner. Have made numerous
I have stairmaster 4400PT. Original owner. Have made numerous repairs. Replaced alternator once. not sure if I needed to. Resistor burned out a few months ago. did the alternator test and resistor tes… read more
Neil
Neil
Technician
Associate Degree
212 satisfied customers
Have a Stairmaster 5100 NSL. Purchased it last night used.
Have a Stairmaster 5100 NSL. Purchased it last night used. Worked fine at sellers home. Moved it 20 miles across town to my home, and upstairs. The display worked for 5 minutes then quit. Replaced the… read more
J.T.
J.T.
Technician
1,231 satisfied customers
I tried to use my stairmaster 4400CL after moving it to another
I tried to use my stairmaster 4400CL after moving it to another room and nothing worked. The control panel was totally dead. It's well over 10 years old and hadn't been used in about 6 months, so I re… read more
J.T.
J.T.
Technician
1,231 satisfied customers
I have a stairmaster freeclimber 4600pt, and it is making a
I have a stairmaster freeclimber 4600pt, and it is making a clicking sound when I exercise. I opened it up, and I see two possible sources for the noise. (1) The chain on the first drive segment seems… read more
treadmilltech
treadmilltech
Technician
High School or GED
4,955 satisfied customers
Hi. I just purchased a used Stairclimber 4600CL. Something
Hi. I just purchased a used Stairclimber 4600CL. Something seems strange/wrong. Level 1 seems to be the most advanced hard level while level 20 seems to be the easiest. Almost like it's totally in rev… read more
Stevebuckley2
Stevebuckley2
Associate Degree
461 satisfied customers
I have a stairmaster 4400CL.the panel stopped functioning and
I have a stairmaster 4400CL.the panel stopped functioning and thereis no resistance. What is wrong with it and how can i fix it.… read more
J.T.
J.T.
Technician
1,231 satisfied customers
my stairmaster (10 years old), when I stand on it, slips
my stairmaster (10 years old), when I stand on it, "slips" and loses resistance, as if there were nothing holding it back. What's the problem… read more
treadmilltech
treadmilltech
Technician
High School or GED
4,955 satisfied customers
I cannot change the resistance on my stairmaster 4400 CL. I
I cannot change the resistance on my stairmaster 4400 CL. I moved it to a new location, jumped on and stpped very quickly for about 5 sec. because of no resistance and then it went to full reisitance … read more
treadmilltech
treadmilltech
Technician
High School or GED
4,955 satisfied customers
I have a Stairmaster 5100 elliptical. I acquired it used about
I have a Stairmaster 5100 elliptical. I acquired it used about a month ago, and everything was working fine. Now when beginning to use, the display brightens momentarily (with no image displayed, then… read more
treadmilltech
treadmilltech
Technician
High School or GED
4,955 satisfied customers
My wifes stepper needs a new panel, mechanically sound and
My wifes stepper needs a new panel, mechanically sound and power supply working. Where can I get a replacement circuit board? The problem actually manifests itself as the resistance required to stay o… read more
treadmilltech
treadmilltech
Technician
High School or GED
4,955 satisfied customers
Any idea what could cause a Stairmaster Stepmill to suddenly
Any idea what could cause a Stairmaster Stepmill to suddenly stop momentarily and then start up again on its own? Is this common for this type of equipment?… read more
treadmilltech
treadmilltech
Technician
High School or GED
4,955 satisfied customers
Hello, my StairMaster FreeClimber 4600 CL is skipping on the
Hello, my StairMaster FreeClimber 4600 CL is skipping on the downward stroke of the left foot. It will go down, sometimes to the floor without resistance. Any ideas on what would cause that? Rich… read more
treadmilltech
treadmilltech
Technician
High School or GED
4,955 satisfied customers
While using Stairmaster Freeclimber 4400 PT, the stairs started
While using Stairmaster Freeclimber 4400 PT, the stairs started suddenly to go at unlimited speed--like the brakes let loose. Unplugged it, same thing. Replugged it, same thing. Computer display uncha… read more
treadmilltech
treadmilltech
Technician
High School or GED
4,955 satisfied customers
I have 2 Stairmaster 2100 LE treadmills and after moving them
I have 2 Stairmaster 2100 LE treadmills and after moving them both the ergo handle units quit working except for the magnet control. Any ideas and I also may need 2 ribbon cables for both units. Both … read more
treadmilltech
treadmilltech
Technician
High School or GED
4,955 satisfied customers
I have a stairmaster machine that seems to keep going down
I have a stairmaster machine that seems to keep going down to the floor with each step that I take. Can it be fixed?… read more
treadmilltech
treadmilltech
Technician
High School or GED
4,955 satisfied customers
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Meet the Experts:

treadmilltech

treadmilltech

Technician

4,955 satisfied customers

20+ years experience repairing exercise equipment with emphasis on Nordictrack/Proform and Horizon

J.T.

J.T.

Technician

1,231 satisfied customers

I have over 10 years experience in all fields of fitness equipment repair and service.

Neil

Neil

Technician

212 satisfied customers

NZCE Electronics and Computing

Matthew

Matthew

Technician

135 satisfied customers

20+ years in Electronics, Mechanical, Service, Repair, Customer Service, Quality Control, Document Control, and Maintenance w/ 10+ in fitness equipment. All brands/models

Louie

Louie

Technician

57 satisfied customers

25+ yrs. experience in the field and 5+ yrs. online, down to component level.

Fitness Equipment Doctor

Fitness Equipment Doctor

Technician

50 satisfied customers

National electronic warranty inc service provider with 8 years experience and manufacturer certified

Daniel

Daniel

Engineer

45 satisfied customers

BSEE (Electrical Engineer), 10+ years electronic design experience ,chip, board, component expert

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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