Precor C576i Service Manual page 24

7. If a "stuck key" message is immediately displayed when the EFX is powered up, replace the
upper PCA.
8. If a "stuck key" message is not displayed when the EFX is powered up, replace the display
housing front panel. The display housing front panel is equipped with the keypad.
9. If you have performed all of the procedures above and have been unable to correct the
problem, call Precor customer service.
10. Access the diagnostics program per procedure 3.2. If the key(s) necessary to access the
diagnostic program is not functioning, skip to step 14.
11. Test the keypad per Procedure 3.2.
12. If all of the keys test good, the problem may be user error or a key function that is normally
disabled during a particular user program.
13. If one or more keys do not function correctly, either the keypad (display housing) or upper
PCA could be defective. Replace the display and repeat step 12. If the display housing did
not correct the problem, re-install the original display housing and replace the upper PCA.
14. If you have performed all of the procedures above and have been unable to correct the
problem, call Precor customer service.
C576i Self Powered Elliptical Fitness Crosstrainer
Page 24