Elevation Troubleshooting - Horizon Fitness RST 5.6 Service Manual

It's rec om me nded t o se nd conso le cabl es for e levat ion r epai rs on all m ode l s u s i n g
se ct ion al c ons ole c ables .
Symptom
Elevation motor starts
running as soon as the power is
turned on. Constant down.
Elevation motor bobs up and down
with command.
Elevation motor does not reach
minimum or maximum settings.
Elevation is stuck down and does
not function. Console is responsive
to the buttons being pressed.
Elevation is stuck at the highest
position and is will not come down.
Console is responsive to the but-
tons being pressed.
Elevation inclines to the high-
est position as soon as power is
applied.
The incline will go up, but not
down. (very rare)
R S T5. 6 & R CT 7 . 6 S e a r s S e r v i c e M a n u a l 2 0 0 7
N o M o to t M o ve me n t Tr o u b l es h o o t i n g El e v a t io n Tr ou b l e sh o o t in g
Possible Cause
Failed lower board.
Failed elevation motor.
Failed elevation motor.
Failed console cable.
Failed elevation motor.
Failed upper board
Failed upper board, lower board
(very rare for models made after
2003), console cable, and elevation
motor.
Failed lower board
Failed lower board
Test Procedure
-Turn on power. Do not press start.
Wait 30-60 seconds and see if
motor is hot. Use caution. Motor can
get very hot.
Referance Incline Voltage Chart.
(p. 25)
-Verify there are no pinches or cuts
on the elevation wires.
-Verify the connections of above
wires.
Referance Incline WVoltage Chart.
(p. 25)
-Verify console cable connections.
Verify there are no pinches or cuts
in the cable.
Referance Console Cable Voltage
Chart. (p. 26)
-Put machine in hardware test
(Eng1) and press start. Eleva-
tion doesn't respond buttons are
pressed. (You may see a value for
elevation that reads 255 or 1023.
That value will not change when the
buttons are pressed).
Referance Incline Voltage Chart.
(p. 25)
-Put machine in hardware test
(Eng1) and press start. Incline will
work in hardware test only.
Reference Engineering Modes (p.15)
-Verify all wire connections.
-If the incline went into the
highest position without start being
pressed.
-The incline will act normally
when going up, but when the down
incline is pressed there is no
movement.
rst 5.6 & rct 7.6 service manual 2007_rev1.0 |
Repair
Replace lower board.
Replace elevation motor.
-Recalibrate elevation motor by
hand. Referance Resetting the
Incline Motor. (p. 25)
-Replace elevation motor.
Replace console cable.
Replace elevation motor.
Replace upper board.
Replace upper board, console
cable, and elevation motor.
Replace lower board.
Replace lower board.