Pro-Form 660 Vx Treadmill User Manual page 29

b. If the walking belt slips when walked on, remove
the key and UNPLUG THE POWER CORD. Using the
hex key, turn both rear roller bolts clockwise, 1/4 of a
turn. When the walking belt is correctly tightened, you
should be able to lift each edge of the walking belt 5–7
cm (2–3 in.) off the walking platform. Be careful to keep
the walking belt centred. Then, plug in the power cord,
insert the key, and walk on the treadmill for a few min-
utes. Repeat until the walking belt is properly tight-
ened.
PROBLEM: The chest pulse sensor does not function properly
SOLUTION: a. If the chest pulse sensor does not function properly, see CHEST PULSE SENSOR TROUBLE-
SHOOTING on page 9.
b. If the chest pulse sensor still does not function properly, the battery
should be changed. To replace the battery, first locate the battery
cover on the back of the sensor unit. Insert a coin into the slot in the
cover, and turn the cover counterclockwise to the "open" position.
Then, remove the cover.
Next, remove the old battery from the sensor unit, and insert a new
CR 2032 battery, with the battery oriented so the writing is on
top. Make sure that the rubber gasket is in place in the sensor unit.
Then, reinsert the battery cover and turn it to the closed position.
PROBLEM: The incline of the treadmill does not change correctly
SOLUTION: a. With the key in the console, press one of the Incline buttons. Whilst the incline is changing, re-
move the key. After a few seconds, reinsert the key. The treadmill will automatically rise to the
maximum incline level and then return to the minimum level. This will recalibrate the incline system.
b
29
b
Battery Cover
Battery
Cover
Battery
Rubber
Gasket