15. Simple troubleshooting method of treadmill
trouble
Impossible reasons
Processing method
Treadmill with no display
A no plug in power or without
power
power cord access to AC or check
AC socket
B not open power switch
put power switch to ON position
C actuator of no power supply or
damaged
Press overload protection again or
replace the actuator
D signal line of electrical meter
open circuit
Replace signal line and plug again
E electrical meter has been
damaged
Replace electrical meter
F(LCD) backlight is not bright
Need to repair, check backlight line,
or replace backlight
Treadmill with incomplete
display, lack strokes
A display driver IC pseudo
soldering or weld without
stopping
Need to be repaired, check solder
joints, weld again
B(LCD) bus bar slide, not fixed
in position
Reassemble LCD
C display driver IC has trouble
Need to be repaired, weld a new
display driver IC.
Electrical
meter
display
SAFE-safety
switch in valid
A line of safety switch has loosen
B micro switch error
Replace signal line, plug again
Replace micro switch, plug again
Er 1-power error
A inverter line has loosen
Plug again
B input power less than input
voltage
Return to factory for repairing
C inside of motor has short circuit
Replace motor
D actuator has been damaged
Replace actuator
Er 2-overcurrent
protection
A
overload
System protection, caused by
person, then restart
B transmission parts stuck or has
obstacles
Adjust transmission parts, or add
lubricating oil
C inside of motor has short circuit
Replace motor
D actuator has been damaged
Replace actuator
Er 3-overvoltage
protection
A motor line has been loosen
Plug again
B motor line has short circuit
Return to factory for repairing or
replacing
Er 4-overload
protection
A motor line has been loosen
Plug again
B over load
Return to factory for repairing
Er 5-overheat
protection
A inverter fan drive abnormally
Replace inverter
B inverter fan has dust or foreign
matter
Clean the dust and foreign matter in
time
