Landice Cardio Trainer L8, Диагностическое и сервисное руководство

Страница: 103 / 127

103
Elevation system failure; "PO" error.
Grade pot out of
calibration or failed.
Recalibrate pot.
(See Page 74)
Does the treamill go up when UP is pressed and
down when DOWN is pressed in this mode?
Remove the 6 pin elevation connection from the
SCR control board. Is either the yellow DOWN lamp
or the yellow UP lamp on the SCR lit?
Replace SCR.
Does the yellow UP lamp on the SCR
light when UP is pressed?
Does the yellow DOWN lamp on the motor control
board light when DOWN is pressed?
Replace elevation motor.
7.1
Replace SCR.
Replace SCR.
7.3
7.2
7.4
7.5
YES
NO
YES
YES
NO
NO
NO
NO
YES
YES
Place the treadmill in Diagnostic Mode:
1. Turn OFF the treadmill.
2. L7 & L8 Executive Trainer -Press MENU and START
simultaneously.
3. For all other L7 & L8's - Press DISPLAY (or UP ARROW -
Δ
)
and START simultaneously.
Is the red GRADE lamp on the SCR lit?
Grade pot out of
calibration or failed.
Recalibrate pot.
(See Page 74)