
54
W
ARRANTY
SAFETY
INSTRUCTIONS
RECOMMENDED
TOOLS
MAINTENANCE
PROPER
HEART
RA
TE
USAGE
5-STEP
DIAGNOSIS
PROCESS
VOL
TAGE
CHECKS
AND
LED
DIAGNOSIS
WIRING
DIAGRAMS
AND
SCHEMA
TICS
ENGINEERING
MODE
TROUBLESHOOTING
SPARE
PARTS
REPLACEMENT
Motor Control Board Replacement
T
ools Required
:
• Philips Screwdriver
Procedure
:
1) Turn off the power to the treadmill and unplug the power cord from the wall outlet.
) Remove the motor cover.
3) Verify that LED MTR is not lit on the motor control board.
4) Unplug motor, optic sensor, elevation, speed sensor, and AC wires from the motor control board.
5) Remove the motor control board, and replace it with a new one.
6) Reconnect all the wires to the motor control board. (Figure 50)
LED 1
NTC
C1
30A 120/240V
A
C
JQX-15FS-A
COIL 12VDC
C US
CQC
CHIN
A
30A 120/240VAC
JQX-15FS-A
COIL 12VDC
C US
CQC
CHINA
DLS2
D1
NTC
D6
C8
D3
FZ
ZJ
DW
R6
R8
Q1
Q2
Q3
R7
R9
Q4
UP
D5
R5
TP1
R14
C9
D9
R17
TP2
BL
R29
TP4
JOHNSONFITNESS
D10
SGND
R35
Q9
D17
C34
R27
R26
R28
JP5
C30
U3
U1
D18
D20
R32
R33
C33
07
08
D19
R18
D21
DLS3
R24
Q10
C20
L3
12
C14
R10
C15
R11
C16
R12
C17
R13
SJED08043EE
R19
LED2
LED3
LED4
LED5
WJ28025T 04
08
2%$
Elevation Wires
Red Motor Wire
Black Motor Wire
Optic Sensor Wire
Speed Sensor
3 Pronged Elevation Wire
Console Cable
Wire from On/Off Switch
Wire from On/Off Switch
Figure 50
If this LED is lit, please wait approximately 1 minute until the light is out. This is an indication that the
stored power has left the board.
SPARE
PARTS
TROUBLESHOOTING
Содержание CST 3.5
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