Most
treadmills have very different displays from each other. There are
very simple displays that show speed, time, calories and distance.
Some include heart rate with handpulse, body weight functions, chest
belt pulse or ear lobe sensors.
We
try here to show how you can fix some of the most common problems.
Power
Problems
Some
displays are powered by batteries. When the batteries are almost
discharged, the display will show us, and we must replace them. If
you wait too long the display will be off. There are other displays
that work with the current of the treadmill. These usually have a
built-in transformer with an output voltage between 6 and 12 volts.
Sometimes this type of the displays does not work well. A cable that
brings power to the display can be pulled or detached. Sometimes the
transformer itself needs to be replaced. It is usually located in the
motor housing on board of the motor controller or aside.
Problems
with the treadmill keyboard
Sometimes the display buttons stop working
suddenly. Sometimes this means that their internal contacts are to be
cleaned because they have some dirty which prevents the electrical
contact. For cleaning, proceed as follows: disassemble the dashboard
very carefully over a table covered with a white cloth, remove the
screws carefully remembering their positioning. Remove the keyboard
and clean the contacts with alcohol to clean the electronic contacts.
Be very careful in order not to damage them. Reassemble carefully. In
some cases, the circuit breaks in membrane keyboards, often used on
professional treadmills. In this case a specialized laboratory will
have to proceed to reconstructing the circuit. Replacing the original
membrane keyboards with micro-buttons will provide an aesthetic
result that is identical to the original and a significantly superior
durability.
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