MAIN board EEPROM write error. The MAIN board cannot save settings to its memory chip.
Shown on JUKI machines including AMS-210E, AMS-210EN, AMS-221EN, AMS-224EN, AMS-251, AP874, AP876, APW-895N, APW-896N, DP-2100, LBH-1790A, LK-1900A and others.
What to check
- Check the EEPROM is seated correctly; otherwise the MAIN board must be replaced.
Switch the machine off before touching any connector. If the code comes back after these checks, the fault is usually in the control boxes, PCBs and sensors.
Request a repair for this error or WhatsApp the code and your model to +91-9643480908 (Monday to Saturday, 10:00 AM to 8:00 PM (closed Sunday)).
Source
Summarised by Shankar Sewing from the AB-1351 instruction manual (page 128); LK-1900A engineer manual (page 113); LK-1900B instruction manual (page 69); AC-172N instruction manual (page 91); LBH-1790A instruction manual (page 78). The manual has the complete procedure and connector numbers for your exact model.
Other JUKI error codes
E007 Motor overload · E011 External media not inserted · E012 Read error on external media · E013 Write error on external media · E015 Sewing area exceeded · E016 External media full · E019 File size over · E032 File not compatible · E302 Machine head tilt detected · E303 Main shaft Z-phase sensor error · E703 Panel connected to the wrong machine · E704 System version mismatch · all JUKI codes
Frequently asked questions
What does JUKI error E943 mean?
MAIN board EEPROM write error. The MAIN board cannot save settings to its memory chip.
How do I fix JUKI error E943?
Check the EEPROM is seated correctly; otherwise the MAIN board must be replaced. If the code stays, the fault is usually in the control boxes, PCBs and sensors.
Which JUKI machines show E943?
In the manuals we have read, E943 appears on AMS-210E, AMS-210EN, AMS-221EN, AMS-224EN, AMS-251, AP874, AP876, APW-895N, APW-896N, DP-2100 and other models.