Ir Compensation - CYBEX Pro+ Service Manual

IR Compensation

NOTE: This procedure is required after replacing the lower control board or the drive motor.
Tools Required
• Phillips screwdriver
• Plastic (or non-conductive), fl at head screwdriver
1. Please read instructions thoroughly before performing this procedure.
2. Remove the motor cover.
A. Using a Phillips screwdriver, loosen three screws on each motor cover side (left and right). See
Figure 2.
B. Lift the motor cover center up and off the treadmill. The screws will stay in place. See Figure 2.
3. Perform the IR compensation procedure.
A. Enter
switch to the on (I) position. When the key is released "PRO" and the software revision "rx.x"
are shown on the display.
B. While standing on the side rails, press
treadmill speed to 1.0 mph (1.0 kph).
! WARNING: Do not touch components on the lower board. A charge can remain after
! CAUTION: The belt will be jerky during the next step. Hold the handrail to support yourself.
C. Hold on to the handrails as you step on the running belt, begin walking and notice how the belt
feels, (the belt may surge, vibrate or slack). NOTE: If the belt doesn't need to be adjusted skip to
step 4A.
D. Pull up on the lower board shield. It will snap out.
hole directly over the IR compensation. If you have the new shield, place the plastic screwdriver
through the hole to adjust the IR compensation instead of removing the shield.
E. Locate the control called "IR COMP" on the lower board.
screwdriver. DO NOT adjust the other two controls that look identical to the IR COMP control.
F. Using a plastic small fl at head screwdriver, turn the IR control slightly in one direction as follows:
• Turn clockwise to remove the slack from the belt
• Turn counter-clockwise to remove the vibration or surging from the belt
Service
Page 4-8
Cybex Pro+ Treadmill Service Manual
Test Mode by pressing and holding down any key on the display while turning the power
unplugging the power cord and turning off the treadmill.
Start and then press the Speed Up key once to set the
NOTE: Newer versions of the shield will have a
NOTE: DO NOT use a metal