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I have a power first t960 treadmill. went to turn it on at the main switch at the back of the machine and as soon as i flicked the switch short circuited the safety switch to the whole house. i tried different power points but the treadmill still did the same thing. could you please help? thanks

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Posted on Jan 02, 2017

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SOURCE: proform xp 680 crosstrainer treadmill keeps

Mine did the same thing. I ran it to a dedicated non GFSI circuit and the problem was eliminated

Posted on Nov 29, 2009

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SOURCE: will not power on

The lower board has a serious short and what possible happen is that the treadmill breaker fried and open up will properly need replacing also.

Posted on May 06, 2010

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SOURCE: Hi. I have a BH Explorer treadmill. We recently

By the sound of it I am assuming the you have power to the upper display. This happens quite often when people even moving their treadmill from one room to another. My suggestion is first make sure that the safety key is engaged on the upper electronics if it is then, unplug unit remove motor shroud then locate lower board and pull and reconnect each connectors then fire it up and observe if the LED lights are on one will say PWM. This is the command for the motor to engage, the light will start flickering this mean the upper console has sent the proper signal for the motor to move. If no movement then unplug unit then remove the two connectors that go to the motor attach a 18v dc (fully charged ) drill battery and if you the motor move then look at the lower board by sheer bad luck went bad . Now if you see no flickering on the lower board remove upper console and check the the connections their. hope this give you a directions to follow.

Posted on May 17, 2010

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SOURCE: Nordic Track treadmill trips GFI.

Have you lubricated the the running deck? The lack of lubrication can increase friction thus causing the GFI to trip. simple test start the treadmill do not walk on a see if the GFI is tripped in it does trip then lubricate, then if after lubricate it still the you have a worn belt and possibly damaged deck depending replacement price and on what you paid for the treadmill it may or may not be worth fixing.

Posted on May 20, 2010

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SOURCE: Red key is inserted, mains

Check the breaker by the power cord to see if it was tripped. if it isn't there could possibly be a problem with your motor controller.

Posted on Aug 11, 2010

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Hi my power first t960 treadmill stops working. it turn's on. startup beeps are ok. display turn's on and showing regular digits. but non of keys working and consul dos not response to any key. thanks

Check the cable from console to motor control board. It would be a detachable connector on both ends. Try removing and reconnecting it. Sometime such problems can occur because of the bad contacts of connectors.Please remember to remove the power before attempting any service inside treadmill.
If you wish to get some details; check the site linked here. Pull up older posts.

Jun 10, 2016 | Exercise & Fitness

1 Answer

When I turn on and select start, it powers down as it trips the house circuit. Why is this happening, it has never before?

Could be that there is a short in your wall outlet, you can try switching the treadmills power cord to a different outlet.

You always want to make sure that your treadmill is on a dedicated circuit.

You also might want to try and just reset the power switch, leaving it off for 5 minutes and switching it back.

It could also be that one of the electric components on the main board, for example like a capacitor is damaged which in turn is causing the unit to draw "too much" voltage into the machine.

If switching outlets does not do the trick, you can remove the main shroud and inspect that main board, check any wires for crimping and or any components that look damaged.

If not any, with the shroud off you can turn the machine on. Just check to see if the main control boards LED's come on.

You will most likely get LED's since you said it turns on, then off when you hit start.

If you find you need any further assistance, we would be happy to help you :) by chat at or by phone at 888-713-2880

We look forward to hearing from you!

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Our Z9 has just done the same, switched on the power but it doesn't turn on. Was just wondering if you managed to fix yours and if so how?

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How to dismantle t960 power first treadmill for packing and moving

you must take out the power first 2) follow the steps in your owner manual, or download from +
God bless you

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However you must use the desk lamp in outlet wall, if the lamp DOES NOT turn ON the problem is the outlet, reset the c.breaker and test the wiring:white+black+green with DVOM for open, short circuit, and bad contacts and repair.

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please proceed according and fix it. See the diagram for troubleshooting and see my personal TIPS for motor help.
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Jan 08, 2013 | Exercise & Fitness

1 Answer

Please can anyone help me I bought a 560hr treadmill today second hand it was workin perfectly, until my son and grandson went on it now will turn on but the belt will not go it trips the power switch...

12_7_2011_9_56_59_pm.gifSee the block diagram that I did for you. Now you will see how many elements or component has the treadmills. If the fuse or breaker are trips. you must inspect and test: 1) Power cord some internal wires is touching insider and produce short-circuit. 2)Capacitor in short 3) Coil or transformer in short 4) Main Motor in short 5) Main Controller Board.

Finally see for any wire is loose and touch the chassis from the machine in that case produce a BIG SHORT. sincerely.

Good luck, G-d bless you.


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1 Answer

On switch flicks off when electricity turned on

The switch is also a circuit breaker it tells me that their is a good chance your Motor Control Board is shorted and will need to replaced or can be rebuilt. Call National Gym Supply @ 800-496-7278 and ask for pricing for new or repair.

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My machine flicks the mains switch as soon as i turn it on, both washing and drying. it first flicked the safety switch about halfway through a dry load...what could it be?

there is a few things that will do this to your electics 1st & formost if your trip switch is tripping off remember this is a safty device to prevent fire so ignoring the problem & switching the power back on to try again could run the risk of fire!!

This sounds like a heater issue since it's tripping the power on both the wash & dryer, in events of overheating the machine will trip your power for safty & to prevent the risk of fire however since you mention that it trips the power as soon as you switch it on you could have a blocked pump or burnt out motor too if your finding that the machine is tripping the power earlyer & earlyer each time you retry i would focas on the motor or the pump 1st

on rare ocasions you can spring a leak & if water gets on the electrics this will also trip the power but this is 1 of the least likely posabilatys..
remember always get a qualified electrician to work on your electrics to ensure the job is carried out correctly

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