Hi there my juki lk 1900hs show error e7 immidietly after switch on please help

Question edited for correct name of the maker 'judi' to 'Juki'.
Question moved from Office Equipment.

Motor Failure.

https://www.google.com/search?q=juki+5550-6+e7+error

..

How to solve error 100 in JUKI LK 1930 bartacking machine some time will...

this link will help you visit it please


Watchonlineclub watch hollywood movies online full free

Have you researched what the codes signify? That will give you a good clue of what's going wrong and how to address each. In your case, since you are having multiple issues, service may be a good option.

According to this link, it means a board problem:

How to solve error 100 in JUKI LK 1930 bartacking machine some time will...

...

See manual here:
http://www.juki.co.jp/industrial_j/download_j/manual_j/ip200/LK_English.pdf

All error codes begin with 'E'?

turn off the power switch and remove the cause of problems

HI
regarding JUKI LK-1903B Eror E7:
1-Machine lock error ( The main shaft of the sewing machine does not rotate due to some troubles ). please check if machine rotate smoothly by hand or not.
2-main motor problem ( AC servo motor problem ) motor part No.:401-38137.
3- check connection CN-15 / CN-17 from SDC board to main motor.
4 - problem in SDC servo board ( No output for main motor ). SDC servo board part No.:401-42267.
best regards
ASHRAF ABOZID
[email protected]
CAIRO - EGYPT

Hi Indika
regarding error E100,E101,>>>> to E104 means main board was problem and need to replace ( no chance to repair ). even you check all PCB by eyes you cant find any fault , just need to replace main board with JUKI part No. : M8601-593-AA0 .
best regards
ASHRAF ABOZID
technical support ( JUKI - PEGASUS - JACK )
CAIRO - EGYPT
[email protected]

Hi
E1 is pattern number error-the specific pattern no. has not been registered in the data rom.-check the pattern number.
I if you have any other questions with this machine let me know- have years of experience here

hi there,
1- check V belt if there's more loose plase make it tight littel.
2- check timming cam for thread trimmer , sometimes lock after trim and E7 appear.
please advice me type for control box ? i can give more help if you have basic knowledge for electronc. just email me if you want any time.
best regards
ashraf abozid
[email protected]
CAIRO - EGYPT

HI THERE
concern E7 there's many reasons :
1- machine jamd ( try to turn machine by hand if you found handwheel is move easy ok.
2- thread trimmer locked or release? sometimes E007 come at the time of thread trimming function activated.( please check timming cam for thread trimmer ).
3- sometimes some threads go insaide hook and machine stop and give E7.
best regards
ashraf abozid
CAIRO - EGYPT