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Troubleshooting
Treadmill
will not
elevate
I
error code
resent?
flow chart.
Perform
keypanel
test.
Replace
controller
No
rack gear.
iammed?
Disconnect
power and wait
for high voltage
Remove grade motor
connector at J2 on
VSD PCB. Place meter
across J2 pin 2 and 4,
THEN connect
treadmill power.
C
then the Down
key on the
controller.
I
Disconnect
power and wait
for high voltage
indicator to go off.
switch continuity
between J1 pin
1 and 3, then
Adjust limit
switches and
l
Y e s
Replace fuse
Replace grade
and retest.
blown?
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