Question about Nordic Track NordicTrack Treadmill, A2550

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My treadmill says checksum fail when i turn it on. The panel lights up but no buttons will work on the panel nor will it go on. Need help asap I tried hitting the reset button and nothing worked yet

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Buttons doesn't work...

you more than likely need a new keypad
www.AtlantaFitnessRepair.com

Posted on Aug 24, 2009

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  • 6 Answers

SOURCE: Treadmill incline error

Try this, it fixed it for me, if it doesn't work let me know
http://www.youtube.com/watch?v=MIIxoPtvhy8

I bought a used Precor 9.4 treadmill, but the incline adjustment was not working.
So, I did the following.
1. Turn off, unplug the treadmill and wait for an hour (this is for safety
2. Remove the black motor cover
3. Observe the transformer to the right of the motor and towards the belt ( I point to it in the video)
This transformer converts DC electricity to AC electricity and the AC current goes directly to the Incline motor which is in the black box towards the front of the machine.
4. On mine the wires had come loose from the transformer, they were soldered on very poorly, the wires are stiff and you should be able to see 4 wires coming from the top of the circuit board and plugging into the transformer, I had three of the 4 wires loose.
5. If you are not comfortable working with electronics or soldering DO NOT DO THIS REPAIR, you could get shocked very badly if you just go poking around in there with metal objects, get a friend who knows how to solder or hire someone.

6. It took about 5 minutes I just heated up my $10 soldering gun from radio shack and soldered all the loose wires that were about a millimeter away from the tabs on the back of the transformer, and VOILA! The incline now works!

Posted on Mar 25, 2010

  • 1 Answer

SOURCE: When I turn on the

First of all you need a Surge protector, you can get one from Nordictrack.com, it is on sale. Secondly, unplug the treadmill and leave it unplugged for at least 24 hours. Before you plug it back again, make sure you already have a surge protector on your outlet. Also make sure Trreadmill is the only load on this circuit. Plug it and try again. I had the same problem, and mine works this way. Some times, with dilrty power, the bit get set and the bottons stop working. Good Luck!

Posted on Jan 03, 2011

  • 1 Answer

SOURCE: My console reads checksum: fail. I have tried

Have the same problem with a Nordic Track Eliptical. Sorry, I have no solution. What solved yours?

Posted on Feb 06, 2011

ercupa190
  • 12223 Answers

SOURCE: Nordictrack COmmercial 1500 console buttons don't work

http://www.fixya.com/support/r10724803-measure_voltage_in_transforme_fitnes

11_17_2011_8_43_24_pm.gifsincerely. Please keep me in touch.

Posted on Nov 17, 2011

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Sounds like the button on the panel is stuck somehow, I think this because when you switch the wires this would reverse the polarity to the incline motor.

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When I turn on the treadmill, the top console lights up, but the bottom half of the console won't work except for 2 buttons. The START button will start the treadmill at 1 mph (stop will not...


First of all you need a Surge protector, you can get one from Nordictrack.com, it is on sale. Secondly, unplug the treadmill and leave it unplugged for at least 24 hours. Before you plug it back again, make sure you already have a surge protector on your outlet. Also make sure Trreadmill is the only load on this circuit. Plug it and try again. I had the same problem, and mine works this way. Some times, with dilrty power, the bit get set and the bottons stop working. Good Luck!

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Flash test Fail! wChipID = 0x80 - Disimage Info length = 3600000 checksum = 4d8323a7 -starting counting ...................... ................... checksum = 4ad32f1b Test Fail! Press any...


Fail! wChipID = 0x80
- Disimage Info

length = 3600000
checksum = 4d8323a7

-starting counting
......................
...................

checksum = 4ad32f1b

Test Fail!

Press any key to continue...

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Will the treadmill work when the chip is not plugged in, or does it just beep every time you select a button? If so, your problem is easy to solve. The board that supports the two adjacent up and down buttons has slipped. To fix, you'll need to remove the panel and remove the 3-inch retaining bar which is held in my two screws. Realign the board so the buttons are free to move in the available slots. Good luck.

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1 Answer

Reebok rx3000 treadmill. panel lights up fine. 2 of the 10 speed buttons will not imput and the start button will not start the treadmill. checked the power panel. led lights to voltage light up fine, but...


it is two items in this case. The light on the PWM will light if you force the belt to move. I would start with a lower board replacement. If it works fine then you need a new console. I have seen this when people use the heart touch bars on the treadmill and get a static shock. this can ruin the console.

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