I have lost the safety key to my Precor 9.20S. Is there a way to bypass and not use a key

If you have checked the safety switch on your Precor 9.45 treadmill and everything seems to be intact, and the "reset safety switch" message still won't go away, it's possible that the switch itself is faulty or the console is not receiving the signal from the switch.
You can try cleaning the switch and the area around it, and also check the wires that connect the switch to the console to make sure they are not damaged. If the switch or wires appear to be damaged, they may need to be replaced.
If cleaning and checking the switch and wires doesn't resolve the issue, it's recommended that you contact the manufacturer or a qualified repair technician to further diagnose and fix the problem. They may be able to provide additional troubleshooting steps or suggest other possible solutions.

is the safety key inserted as there may be a connection to not allow the unit to operate unless the key is in position

Hi Emily, The safety switch... If that's the plastic part with the steel plate inside it that attaches to the console and when you remove it the treadmill won't operate then try cutting the top off a can and using that until you find the safety switch...Good Luck.....CHEERS..

it is there as a safety measure to stop you injuring your self
Don't bypass it ---fix it and be safe

please find an overview of safety keys for treadmills here as well as a direct link to purchase some :

http://www.treadmillsrepair.co.uk/2014/08/treadmill-safety-key.html

There is a red magnet or insert that it used as a safety key. If you lost it, you will need to buy another.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/russell_1d1c35fa8a5a0be4

please see the details and proceed according. God bless you

• Error 05, Key Depressed at Power Up
  

If you need to purchase a new safety key that was designed to work with your Gold's Gym machine, here is a link to one that is listed for seven models of the 450. But please make sure that your exact model is listed to ensure compatibility.
Safety key 6043675 Fitness and Exercise Equipment Repair Parts

You may be able to jerry rig something but it's much safer and always recommended to get a new safety key... saving $20 or less is not worth the risk. Here is one place to purchase a new safety key for the precor 9.21i. I like to recommend ordering two to have a spare and avoid paying for shipping again if you lose another one.

I'm guessing the internal fuse is blown, which is part of the safety feature when you pull the magnetic key off. You need to put the little magnetic key onto the "stop" area after each use, and it will re-set. If you take the key off "start" and the machine stops, you can't start again until you put the key on "stop". Once you do that, the main switch should work again.