I have a NordicTrack Powertread 1750. It worked fine for a long time.
Now when I get on and press the start button, it looks like it is
going to start and then there is a E21 in the speed /weight section
and it doesn't start.

Hi rpierce-ga!

I'm sorry to hear you're having problems with your NordicTrack
treadmill. I went to the NordicTrack website
(http://www.nordictrack.com) and located the owner's manual for your
model (http://www.iconservice.com/pdf/NTTL12080.pdf) in the Customer
Service section.

On page 20 of the owner's manual, the following text describes your error:

"If the console detects a speed error (no speed signal, an erratic
speed signal, etc.), an ?E20,? ?E21,? ?E22,? ?E23,? or ?E24? may
appear in the SPEED display. If one of these error codes appears,
remove the key from the console, wait for ten seconds, and then
reinsert the key. If the error code appears again, call our Customer
Service Department. Do not operate the treadmill until the problem is
corrected." Excerpted from page 20 of PowerTread 1750 Treadmill owners
manual, http://www.iconservice.com/pdf/NTTL12080.pdf.

This is in section 3b of the Troubleshooting section.

If the troubleshooting process specified above does not correct your
error, you should contact NordicTrack customer support- there are
support contact numbers at the NordicTrack "Contact Us" page on their
website (http://www.nordictrack.com/nt/v5/contact_us.html).

Once again, I'm sorry you're having trouble with your product. I hope
this information proves useful to you, and if you need any further
clarification, please don't hesitate to ask. Good luck!

Best regards, and thanks for using Google Answers!

Cyclometh-ga

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Clarification of Answer by cyclometh-ga on 04 Apr 2004 22:53 PDT

Thank you very much for the rating and feedback- it's appreciated. I
wish you luck with getting your treadmill fixed quickly!

Regards,

Cyclometh-ga

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Clarification of Answer by cyclometh-ga on 04 Apr 2004 22:54 PDT

And of course, thank you for the tip- that's also heartily appreciated!

I have contacted Nordic Track, thanks.