23
TROUBLESHOOTING
CODE REASON
SOLUTION
E1
Message failure between
computer and control
board
1.
Check the computer and bottom control board
wire connect well;
2.
Check if IC on control board is loosen, reset
the IC
3.
Power on bottom control board has some
problem, change the bottom control board
E2
Control board have not
find out the voltage on DC
motor wire
1.Check if the DC motor wire connect well with con-
trol board,reconnect the wire
2. If the wire connect well,Check if the power tube and
the nearby component are damaged, change a good
one.
E3
DC motor have not find out
the speed feedback signal
when rotating
1.Check if the DC motor are rotate,if it stop after
quickly rotate,then computer show E03,please check
if light sensor is fixed well, if the light sensor wire are
damaged or it’s pin connect well with 4 pin on speed
sensor
2. Check if 4 pin and nearby component or control
board and IC are damage
3. If start the treadmill ,DC motor do not rotate,then
computer show E03,please check if DC motor is
blocked or damaged
E5
Current overload protecting 1.
Over rated loaded or the motor is stuck, cause
excessive current, machine will start self-protecting
system. Adjust the machine and restart;
2.
Check if the motor has noise from motor or if
the motor / bottom control board were burnt out, if
burnt out, change good motor and control board; Use
right voltage.
E7
Computer have not find out
the safety key signal(No-
tice:some product show，
，，，，if no safety key)
1.Check if safety key was put ont it’s position
2.Open the computer to check if safety key wire are
connect well and PCB are damage or it’s position are
deviation
Summary of Contents for F4H-TM-D2450
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