1.
2.
3.
4.
5°
6.
7.
8.
TROUBLESHOOTING
SPEED CONTROL SYSTEM TROUBLE-SHOOTING
EB-O-B-LEM :
Treadmill Will Not Start. 1. Verify Wall Outlet Has 1,
Proper Voltage.
2. i Verify Wall Outlet Is Properly ,_2.
Grounded. i
i Check Reset Switch. i 3.
Check On/Off Switch. Verify
Power Key Activates On/Off
Switch.
120 VAC Not Present at
Motor Controller.
120 VAC at Motor Controller,
But Motor Does Not Run.
Motor Runs Extremely Fast
(Greater Than 90 VDC, M1
To M2).
' Reset Circuit Breaker or Replace
Fuse.
i Ground WaltOutlet.
3. i Replace Reset Switch.
Replace On/Off Switch.
5. Verify Motor Controller Has 5. Reset Reset Switch and Insert
120 VAC, Line To Neutral Power Key Fully•
And Line To Frame.
6, 6. Replace Motor.Check For Open Tachometer
Circuit
1.
i2.

j3•

[1.
J
12.

l

Repair Or Replace Loose Wiring /
Wire Terminals. Repair Or Replace
Reset Switch /On/Off Switch.
I,1. ' Check Motor Wiring.
Replace Motor.
•i
I
i
2. Replace Motor.
i 3. Tighten Fan.
I
r
! 1. xReplace Motor.
i P
2. Replace Tachometer Magnet
/Replace Fan.
3. Replace Motor Control Board.
Remove Wall Plug From
Wall Outlet. Check Continuity
From Line Terminal of Plug
To Line Terminal Of Motor
Controller. Check Continuity
i Of Neutral Terminal of Plug
To Neutral Terminal of Motor
I Controller.
I Check Voltage On Motor
Terminals M1 And M2.
i 17 VDC At Low Speed.
70 VDC At High Speed.
I
'_Check For Open Tachometer
i Circuit
j Check For Loose Fan.
i Check For Shorted
Tachometer.
I
Cheek For Missing
Tachometer Magnet /
_Missing Fan.
! 3. Check For Damaged /
l Shorted Triac OnMotor
Control Board.
I
1. Motor Controller Bad.
i 1. Capactor Damaged On
I Interface Board
! 1. Reed Switch gives no
reading.
i
!1. j Belt Tension Incorrect.
r
[2. i Lubrication Incorrect
Treadmill Has No Safety 1. Replace Motor Controller
Start.
Flickering Monitor 1. i Replace Interface Board
No Distance Indicated
No High Speed /Low Speed
Works
! 3. _Check P2 ToN On Interface 3.
! Board (12.3 VDC At Max
I '1Speed).
14. 1
_70 Volts From M1 To M2 At :4.
I Max Speed.
' i a.) Voltage OK
! b.) Voltage Bad
1a.Align Reed Switch.
• '=b. Replace Reed Switch
l
I 1. } Adjust Belt Tension.
2. a.) Add Lubrication If Feels Dry.
b.) Wipe Down If Dripping Wet.
Replace Interface Board.
a) Replace Motor
b.) Replace Motor Controller
11