Precor 9.55 Manual page 17

7. Set the circuit breaker in the "on" position.
8. If a "key depressed" message is immediately displayed when the treadmill is powered up,
replace the upper PCA.
9. If a "key depressed" message is not displayed when the treadmill is powered up, replace the
display housing front panel. The display housing front panel is equipped with the keypad.
10. If you have performed all of the procedures above and have been unable to correct the
problem, call Precor customer service.
11. Access the diagnostics program per procedure 2.1. If the key(s) necessary to access the
diagnostic program is not functioning, skip to step 14.
12. Test the keypad per Procedure 2.1, step 6.
13. 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.
14. 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.
15. If you have performed all of the procedures above and have been unable to correct the
problem, call Precor customer service.
9.55 Treadmill
Page 17