3: Common Troubles and Maintenance Methods are listed as following:
NO.
Phenomenon
Description
Maintenance Methods
01
No Function
When Starting.
The LCD isn’t illuminating:
①
Fuse melts (in the Power Source Box or on
the transformer wire).
②
Power supply circuit poorly connected.
③
main PCB fails.
①
Replace Fuse.
②
Replace Power Box.
③
Replace main PCB.
02
No function
when starting.
The LCD is illuminating
：
①
Mechanical switch fails or it’s wire is
opened.
②
Up or Down Stroke Photo-electricity fails.
③
Main PCB fails.
④
Kneading is on without pressing any key
when starting and no response by pressing
other keys.
①
Replace mechanical switch or it's
wire.
②
Replace Stroke Photo-
electricity.
③
Replace the main PCB.
④
Width Inspection Board of PCB
fails, replace it.
03
No Width
switchover.
①
The terminals of Width Inspection on main
PCB and wires are poorly connected.
②
The terminals of Width Inspection on
massage mechanical and wires are poorly
connected.
③
Width Inspection fails.
④
Main PCB fails.
①
&
②
Plug the terminal securely or
replace the wires.
③
Replace Width Inspection.
④
Replace the main PCB.
04
No Partial
Function.
①
Height Inspection Terminal or wire poorly
contacts.
②
Height Counting Subassembly fails.
①
Plug the terminal securely or
replace the wires.
②
Replace Height Counting Sub
-assembly.
