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62
Check speed sensor alignment.
It should be within 1/16" of the flywheel
and parallel to the flywheel.
Is it out of position?
Unplug 3 wire speed sensor connector
from relay board. Check for pushed pins
or loose wires.
Any found?
Unplug 12 wire upper harness
connector from relay board. Check for
pushed pins or loose wires. Specifically
look at 8 (White) and 12 (Green).
Any found?
Is speed control wiring OK?
Purple wire from V+ on pwm board to H on relay board.
Orange wire from P1 on pwm board to L on relay board.
Brown wire from P2 on pwm board to W on relay board.
P3 on pwm board has no connection.
Adjust speed sensor:
1.Use 1/2" wrench and loosen
the two lock nuts securing
sensor to it's bracket.
2. Adjust sensor gap to 1/16".
3. Tighten lock nuts.
Repair or replace speed
sensor / harness assembly.
Part# 71007
Repair or replace upper
harness. Part# 70211
Correct speed
control wiring.
Replace the speed sensor.
Part # 71007
Display lights up, treadbelt moves,speed will not increase,L5 error.
SYMPTOM
5.1
5.2
5.3
5.4
NO
NO
NO
NO
YES
YES
YES
YES
Summary of Contents for 8700 Series
Page 17: ...17 8700 COMERCIAL MOTOR PAN COMPONENTS ...
Page 18: ...18 8700 COMMERCIAL LOWER WIRING SCHEMATIC ...
Page 21: ...21 8700 HOME SST VFX PRG VFX SPRINT VFX CLOSED LOOP SPEED SENSOR ...
Page 26: ...26 8700 SPRINT 2 Safety lanyard speed control dial not push button KBWT 110 SCR motor control ...
Page 28: ...28 8700 SPRINT 1 2 UPPER WIRING SCHEMATIC ...
Page 51: ...51 8700 Series Treadmill Diagnostic Troubleshooting Guide 8700 LTD 8700 CLUB ...
Page 69: ...69 8700 Series HOME Treadmill Diagnostic Troubleshooting Guide 8700 SPRINT 1 8700 SPRINT 2 ...