| 008 Sears CA Treadmill Service Manual [rev 1.0]
Section Three |
Troubleshooting
Treadmill Troubleshooting
>>
Membrane | Key Pad | Overlay
Symptom
Possible Cause
Test Procedure
Repair
All or some of the keys
on the console will not
work.
Ribbon cables
connecting the
membrane keypad to
upper board are not
seated properly or are
disconnected.
-Verify the ribbon cables
are connected securely
into the upper board.
Remove and reseat
cables.
Membrane keypad
defective.
-Keys are pressed, some
of the buttons may
function but there are
no corresponding beeps.
-Put in Eng0 to chech
button function.
Reference p26.
Replace membrane
keypad.
Upper board defective.
-Keys are pressed and
there are corresponding
beeps, but console does
not respond.
(Sometimes the key
will not beep until it is
released).
Replace upper board.
Unit starts as soon as
safety key is in place or
console will reset itself
after a few seconds of
use.
Membrane keypad
defective.
-Massage buttons on
keypad to make sure
that none are stuck.
-Remove overlay and
press keypad for proper
function.
-Put in Eng0 to chech
button function.
Reference p26.
Replace membrane
keypad.
