Question about Proform 380 CS Treadmill !

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Proform 380 won't decline. It is stuck at 4% incline and will not decline. Without the decline, it also won't fold. Any suggestions?

My daughter was using and changing the incline abruptly up and down. Now it is stuck at 4% and won't decline. It also won't fold up and is taking up valuable real estate in our family room.

Posted by Anonymous on


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  • 2 Answers

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Posted on Jan 02, 2017

  • 12223 Answers

SOURCE: my proform incline won't recline

Dear Sir:

I will try to help you.

Please see the video with patience and carefully. you nee basic tools+Dvom
The SCR lower board is designed with diagnostic LED lights. The LED's are color coded according to
their specific function. Green indicates a properly operating treadmill; the green lights should always
be ON when power is supplied to the treadmill. Yellow indicates a treadmill function. Red indicates a
treadmill malfunction. Here is a list of each LED and what it signifies:
MOTOR (yellow) - The MOTOR LED illuminates when dc (direct current) voltage is sent to the drive
motor. The LED gets brighter when the dc output is increased.
RLC (yellow) - The RLC (R = Reactance / L = Inductance / C = Capacitance) LED illuminates when
the filtering system is properly working. The filtering system includes the capacitor and filter choke. If
there is a short in either component then the RLC light will not come on.
DN & UP (yellow) - The DN and UP LED lights tell us if the elevation DN and UP relays are
functioning properly. When the LED lights, it tells us that the relay has energized and is sending high
voltage (110vac or 220vac) to the elevation motor.
AC PWR (green) - The AC PWR (Alternating Current Power) illuminates when AC line voltage is
delivered to the treadmill. It then passes through the in-line fuse (110)/s(220) and lights the AC PWR
+12V (green) - When the proper AC voltage is delivered to the treadmill, passes through the in-line
fuse/s, through the full wave bridge rectifier (changes AC to DC), through the transformer (steps down

DC to +12vdc) then the +12V LED lights.
This the board LED, who control the signal for Main Motor+Elevation Motor. You must see, the LED DN+ UP( both will be Lit) in any position down or Up.

With this you will fix it.

If you need further assistance, please reach me, sincerely.God bless you.


Posted on Oct 26, 2011

  • 12223 Answers

SOURCE: how do I get my proform 810 tr to fold down? please see the video for to see how to fold or unfold.

and then Read your user manual. if you do not have, please go to www. proform. com

then customer service and the section parts & manual, you give the model and serial and you download for free. Good Idea !


Posted on Nov 14, 2011

  • 12223 Answers

SOURCE: My Proform 380 treadmill will

ADJUST 1) Reed swithc and optic disk.11_15_2011_9_21_16_am.gifIf after you did these adjustments Not work, replace the sensors.11_15_2011_9_21_36_am.gif

Posted on Nov 15, 2011

  • 12223 Answers

SOURCE: proform 860 treadmill, want to undo incline feature, & use it without it

Run the software calibration for easy diagnose, troubleshooting, and fix it.
God bless you

Posted on May 17, 2012

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