Mcb for t4000 horizon - Horizon Exercise & Fitness

Question edited for clarity.
Question moved from cars and trucks category,

It has a breaker

https://www.manualslib.com/manual/858812/Horizon-Fitness-Elite-T3000.html?term=breaker&selected=1&page=3#manual

https://www.google.com/search?q=Horizon+T4000+Premier+Treadmill+won%27t+start

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Hey Sharon,
Hope so you're doing fine, there is typically no separate fuse on the MCB (Main Circuit Board). The MCB itself is responsible for controlling the incline and belt functions of the treadmill. If the top board turns on but the incline and belt do not run, and the MCB is flashing a safety key error message, it suggests that the safety key might not be properly engaged or there could be an issue with the safety key sensor.
To troubleshoot the problem, make sure the safety key is securely inserted into its slot and properly aligned. Check for any visible damage or debris that might be obstructing the safety key sensor. If the issue persists, it is recommended to consult the treadmill's user manual or contact Horizon customer support for further assistance. They can provide specific troubleshooting steps or guide you through any potential repairs or replacements that may be necessary.

Hope so this will work for you!

Regards,
Bryce June
CEO & Founder of https://bbcorhitter.com/

Hi There, ... it sounds like a bad lower control board or MCB. Most control boards used by Johnson Health Tech, parent to Matrix, Horizon, Vision, Merit, AFG and others, have a small potentiometer on them for torque and/or speed adjust, that can be gently turned to the right, CW, to about 3/4 turn as the torque adjust widens the current sense threshhold slightly allowing a bit more current to the motor. This adjustment should only be done with the unit off unless you are used to working with treadmills. Fitness Remedy in Sun Prairie Wis., repairs most fitness electronics.

Hi There, sorry to hear of your troubles. Could you mention what brand and model of treadmill? If this is a Horizon treadmill with E1 error, like models T101 and others from the years 2011-2013, there is one thing you can try. Unplug the treadmill and remove the motor cover to get to the Motor Control Board, or MCB. Be certain the treadmill is unplugged from the wall! Now, look on the MCB on the right side there may be ONE small blue "block" with a tiny screwdriver slot in the center, this is called a potentiometer, and if there is Only One, and a Horizon MCB, you can turn this pot to the right, clockwise, gently until it stops, and then back it off just a hair, reassemble unit, and try treadmill. If this doesn't help, the MCB most likely needs servicing due to failing storage capacitors which get quite hot while in use and can degrade over a few years of service. You can find some help by looking up jatinah electronics, who repairs these modules. Good Luck! ;o)

Hi Anthony, sounds like there is a bad connection from upper to lower, a pinched or bad cable, or bad solder on a connection point.
With the "flickering" of the console lights mentioned, this tells me that the power supply connections to the console were suspect at one time, and doing nothing and having it "work ok now" is not a good sign of something being fixed. Also, with the flickering, this would mean the upper board would be intermittently powering up / down, causing massive trouble with the onboard CPU which is trying to operate the system. I would advise against using the unit the way it is, and have the control board checked. You can contact jatinah electronics for further help if needed. Good Luck!

Hi There,
If it is new ring the retailer as it would be under warranty.
It may be the LCB /MCB .

there are 2 ways: 1) under the display board there are small orifice, make click with a eraser point pencil.
2) go to the MENu, and sellect to change miles to kms. read you owner manual or download free: www.fitness.manualsonline.com

God bless you

plelase see this 2 alternatives error and proceed see the diagram attached. God bless you

E7- 1) Alternative Elevation Motor

1)Cause: Elevation Motor not moving Solution:Check Elevation Motor connection

2)Cause: Elevation Elevation Motor screw binding Solution: Clean screw and lubricate

3)Cause: Elevation Motor Motor out of Range Solution: Check motor out of elevation

4)Cause: E-Motor Potentiometer: Solution: Replace Elevation Motor

2)Alternative:

Display Doesn't Light Up: a)Cause: On/Off switch Solution: Test unit is turned on b)Cause: Insufficient Power Source Solution: Plug dedicated120V, 20Amp Outlet

c) Cause: Line Cord Damaged Solution: Replace Line Cord

d)Cause: Fuse Solution: Check Fuse on MCB

LUBE the deck belt, maybe you have WORN deck belt, by the lack of lube. YOu must do it aprox every 5 hours of use.
2) LUBE the rollers bearing.
3) Test the input voltage motor, see my personal TIPS how to troubleshooting the motor , see the diagram attache
4) test the output voltage board, for input voltage motor, if there are NOT the board is faulty. see the block diagram
God bless you

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