Keys Fitness Treadmill Service Manual page 37

NOTE: On KEYS 8800
Treadmill with M/C Part # 08-
0016, replace console when
unit displays an SI3 Code.
Check alignment
of tilt switch sensor
with magnet. Re-
align if necessary.
SI3 Code?
NO
YES
Check Sensor
Magnet wire
harness from
magnet to M/C
board. Replace if
necessary
SI3 Code? NO
YES
Remove and re-
install Console
Panel wire
harness
SI3 Code? NO
YES
Short the pins
together on jumper
connector (sensor
magnet wire) on M/C
board and check for
SI3 code.
SI3 Code- Tilt Switch Trip
Re-calibrate unit
YES
Is unit 20" Fold
Unit is Fixed
Unit is Fixed
Unit is Fixed
Replace the
SI3 Code? NO Switch Sensor and
wire harness
YES
If unit still displays
SI3 code- Replace
the M/C
Remove Motor
NO and Console Panel
covers
Remove and re-install
Console Panel
Harness Connector
from M/C and
Console Panel board
SI3 Code?
YES
Replace Console
Panel wire
harness
SI3 code?
YES
Replace M/C
Board
NO Unit is Fixed
NO Unit is Fixed
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