Question about Stairmaster Stepmill 7000 Pt

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On idle machine -- power and field lights are lit, relay is NOT (relay board)

Stepmill works fine for about 10 minutes then screen goes black with a few leds on. Relay seems to work fine as relay light goes on when jumping tabs #1 and #5. Load resistor tests OK. Cable tests OK with continuity check.

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  • Stairmaster Master
  • 914 Answers

With everything that you have tested and the relay board testing okay, this sounds like the console is the problem.

Posted on Jun 16, 2014

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Posted on Jan 02, 2017

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2 Answers

Samsung TV shutting off by itself and relays clicking


If you don't know what you're doing, don't open it up to fix it!
There are HAZARDOUS voltages on the power supply board EVEN WITH THE TV UNPLUGGED!!! The capacitors can hold a charge for several weeks!

Clicking noise can be coming from bad capacitors on the power supply board.



It's usually easier to just replace the power supply board.

Sep 09, 2016 | Samsung UN55B8500 TV

Tip

How to Test the Relay Board on Stairmaster SM916 Stepmill


How to Test the Relay Board on a Stairmaster SM916 Stepmill Disconnect power from the machine.
Disconnect the main cable from the relay board J1 terminal. Main cable should remain disconnected for the duration of the relay board tests.
With the Power ON, place a jumper wire across the GND/BLK and RLY/RED test points. (Ensure jumper wire only makes contact with the designated test points.)
  • Verify that the Relay LED is lit. Remove jumper wire.
With the Power ON, place jumper wire across the +/WHT and FLD/BRN test points. (Ensure jumper wire only makes contact with the designated test points.)
  • Verify that the Field LED is lit. Remove jumper wire.
With the Power ON, place jumper wire across the +/WHT and with the other end touch the ALT/C, FLD/NC, and RES/NO.
  • Verify that the Field LED lights.
If any of these jumps fail, replace the relay board and or power supply.


Stairmaster SM916 Stepmill Relay Board Testing

on Feb 25, 2015 | Stairmaster SM 916 StepMill

Tip

Too Much Resistance on Stepmill


The first step in troubleshooting too much resistance or constant resistance begins with the lower board. You will want to first verify that the Field LED is lit on the lower board. As shown in the video, the Field LED is off initially, when the steps are engaged it lights up, after about 5 seconds the light should go off. If the Field LED stays lit during a workout or after a workout is completed, this is a sign that the console is faulty. There is constant power being supplied through the console keeping a full load and causing no change in resistance. If the Field LED remains lit, the console needs replaced.



Too Much Resistance Troubleshooting Video for Stairmaster Stepmill SM916

on Feb 11, 2015 | Stairmaster Stepmill 7000 Pt

1 Answer

Stepmill 7000pt is free spinning and has no resistance.


How to Test the Relay Board on Stairmaster 7000PT Stepmill How to Test Relay Board of a Stairmaster Stepmill 7000PT Disconnect power from the machine.
Disconnect the main cable from the relay board J1 terminal. Main cable should remain disconnected for the duration of the relay board tests.
With the Power ON, place a jumper wire across the GND/BLK and RLY/RED test points. (Ensure jumper wire only makes contact with the designated test points.)
  • Verify that the Relay LED is lit. Remove jumper wire.
With the Power ON, place jumper wire across the +/WHT and FLD/BRN test points. (Ensure jumper wire only makes contact with the designated test points.)
  • Verify that the Field LED is lit. Remove jumper wire.
With the Power ON, place jumper wire across the +/WHT and with the other end touch the ALT/C, FLD/NC, and RES/NO.
  • Verify that the Field LED lights.
If any of these jumps fail, replace the relay board and or power supply. Stairmaster Stepmill 7000PT Electronic Testing of Relay Board



The second link will take you to the service manual. Starting on page 13, you will find some more valuable information on the relay board. Last link will take you to a video on how to test the alternator
Video about Performing Jumper Test on Stairmaster Alternator

Mar 12, 2013 | Stairmaster 7000PT Nautilus Stepmill

1 Answer

Hyundai monitor on for 5 minutes and screen goes black


Have you ever opened up the monitor to clean the dust out,it could be your heating up and then letting it sit will bring it back.If your unsure how to do this ask a tech.

Apr 21, 2017 | Hyundai X224W

1 Answer

When we start it every other step stalls for a few swconds


Unplug unit pull right side cover then reconnect dc power cable unit. their is a circuit board with 3 lights :
1) Power should be lit as soon as you plug the DC power cable
2) Relay Check silver tab #4 labeled +/wht and Tab #5 Gnd/blk with a meter check DC voltage between15v and 17v if not in this range replace relay board.
3)Field this a signal is sent from the alternator,when stepping it will make the light flicker and send this signal to the upper console.
A) check alternator for black powder inside and or near the outside casing.The brushes maybe bad and can be replaced.

Jan 29, 2010 | Stairmaster Stepmill 7000 Pt

1 Answer

Samsung LCD Screen powers up for 1 minute then goes black.


Most likley there are some bad capacitors that need to be replaced in the power supply, in particular the ones that are "10 volt" types. As a tech...I LOVE to see these sets and or//power supply boards come in as it is "easy and quick money for me" and a quick and lasting repair for the customer. A decent shop should be able to repair your PS board for under 350, in home service.

Oct 09, 2009 | Samsung LN-T4053H 40 in. LCD Television

4 Answers

Screen goes black, still have audio


I first changed the 220uf capacitor with no luck. I flipped the BURN switch to on and the set has been working great for a week now. Daughter left it on for about 20 hours overnight with no problem. Anybody have an idea what those 4 tiny switches are for? I have heard these type of switches called "dip switches". They are tiny white switches in a yellow block on the lower left side of the upper circuit board. The top one was labled 40", the next one down was labled 46", the 3rd one was 4 letters "EW" something I think, and then the bottom one was labled "BURN".

Jun 22, 2009 | Polaroid FLM-4201 42 in. LCD Television

3 Answers

Black screen


One way to test it is to connect a monitor to the VGA port (make sure to activate the external monitor (Fn+monitor key)
If it does work on the external monitor, I would look at replacing the onboard LCD.
If it doesn't, you are looking at problems with the onbaord video.

Aug 05, 2008 | Toshiba Satellite A105-S4334 Notebook

2 Answers

Black screen after 5 minutes of use with Fujitsu PDS-420 plasma


Sorry to inform you my freind, but the main board has to be replaced in this beast. Could get expensive. there are no schematics and or componets listed to repair this module. Its a board level repair only. Try going to ptscorp.com, find their phone number, and see if they repair these boards. if not you will need to contact the manufacturer for replacement boards. good Luck Please do not forget to rate this thread.,

Dec 15, 2006 | Fujitsu Plasmavision PDS-4209 42 in....

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