Landice 8700 - Manual (Page 72)

72
SYMPTOM
Display lights
up,treadbelt 1. Check On / Off switch
on
does not
turn. speed control panel.
Does the relay
"click" when NO 2. Check wiring between On
/ Off
the treadmill is switched
on?
switch and relay(wiring
harness)
YES
3. Replace
relay.
Check for 120 VAC between
L1
and L2 terminals on the
motor
NO 1. Check fuse on motor
control
control
board. board, replace if
necessary.
YES
2. Check for loose
connections
Disconnect the P1, P2 and
P3 wires on terminal block or
broken wires.
from the motor control
board.Check
between P1 and P3 for 5000
ohms
resistance. Check the
resistance
between P1 and P2 varies
from
NO 1. Check wiring between
motor
0 to 5000 ohms when the
speed control board and
potentiometer.
control knob is
turned.
YES 2. Replace speed control
pot.
(#70132 Sprint 1 / #70169
Sprint 2)
Plug P1, P2 and P3 back
into
motor control board. Turn
treadmill
NO Replace KBLC-118 motor
control
on and turn speed up to 9
mph. board.
Check for 90 VDC between
A+ and Replace KB-PWM motor
control. *
A- terminals on motor
control board.