{"id":613485,"date":"2026-09-20T15:45:55","date_gmt":"2026-09-20T10:15:55","guid":{"rendered":"https:\/\/stitchpartner.com\/juki-ddl-9000c-siruba-dl720-error-codes\/"},"modified":"2026-09-20T19:35:02","modified_gmt":"2026-09-20T14:05:02","slug":"juki-ddl-9000c-siruba-dl720-error-codes","status":"publish","type":"post","link":"https:\/\/stitchpartner.com\/hi\/juki-ddl-9000c-siruba-dl720-error-codes\/","title":{"rendered":"DDL-9000C Error Codes: Juki and Siruba DL720 Fixes (E007, E01)"},"content":{"rendered":"
\n

This guide to DDL-9000C error codes explains each Juki and Siruba fault in simple words. Short answer:<\/strong> On a Juki DDL-9000C, motor faults show as E007, E072, E079 and E081, and a loose motor plug as E071. On a Siruba DL720 the codes are E01 (over-voltage), E02 (low voltage), E03 (panel communication), E05 (pedal unit) and E07 (motor locked). In nearly every case: switch off, turn the hand wheel by hand, reseat the motor and encoder plugs, check the socket voltage, then restart. A code that returns at once means the control box, pedal unit or motor needs replacing.<\/p>\n<\/div>\n

Different brands use different code lists, so a code copied from a JACK guide can mislead you on a Juki or Siruba. The lists below follow the official Juki DDL-9000C-F and Siruba DL720 manuals. For JACK machines see our JACK error codes hub<\/a>. Stitch Partner has served tailors, boutiques and garment units since 1989 and delivers spares across India.<\/p>\n

\"DDL-9000C<\/figure>\n

DDL-9000C error codes: Four Checks That Solve Most Codes<\/h2>\n
    \n
  1. Switch off and unplug. Wait a few minutes before opening any control box.<\/li>\n
  2. Turn the hand wheel. If it is stiff, thread around the pulley or hook, a bent needle or a dry machine is the cause.<\/li>\n
  3. Reseat the motor, encoder, pedal and panel connectors.<\/li>\n
  4. Check the mains voltage at the socket before blaming the board.<\/li>\n<\/ol>\n

    Juki DDL-9000C Error Codes<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    Code<\/th>\nMeaning<\/th>\nWhat to check<\/th>\n<\/tr>\n<\/thead>\n
    E000<\/td>\nData initialization<\/td>\nNot an error. Shown after a control box is replaced or reset<\/td>\n<\/tr>\n
    E007<\/td>\nMotor overload<\/td>\nHead locked, material too thick, thread on the pulley, motor 4-pin connector, motor failure<\/td>\n<\/tr>\n
    E009<\/td>\nSolenoid energized too long<\/td>\nSolenoid or driver fault; needs a technician<\/td>\n<\/tr>\n
    E071<\/td>\nMotor connector slipped off<\/td>\nReseat the motor output connector<\/td>\n<\/tr>\n
    E072<\/td>\nMotor overload during thread trimming<\/td>\nSame checks as E007, plus the trimmer mechanism<\/td>\n<\/tr>\n
    E079<\/td>\nMain shaft motor overloaded<\/td>\nReduce load; check the feed driving motor<\/td>\n<\/tr>\n
    E081<\/td>\nFeed driving motor locked<\/td>\nCheck that the feed motor turns smoothly<\/td>\n<\/tr>\n
    E011 to E016<\/td>\nUSB or media errors<\/td>\nSwitch off and check the media (not inserted, unreadable, write-protected, wrong format, too small)<\/td>\n<\/tr>\n
    E019, E022, E032<\/td>\nPattern file errors<\/td>\nFile too large, missing or not compatible; check the USB drive<\/td>\n<\/tr>\n
    E204<\/td>\nUSB left in<\/td>\nRemove the USB drive and restart<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    E007 and E072: The Codes You Will Meet Most<\/h3>\n

    Both mean the main motor is working too hard. Turn the hand wheel first, then look for thread wound around the pulley, then confirm the 4-pin motor connector is fully seated. If the motor turns freely by hand and the code stays, the motor or the driver has failed. Dry parts add friction, so oil the machine and check the oil pump<\/a> is delivering oil.<\/p>\n

    DDL-9000C error codes: Siruba DL720 Error Codes<\/h2>\n\n\n\n\n\n\n\n\n\n
    Code<\/th>\nMeaning<\/th>\nWhat to do<\/th>\n<\/tr>\n<\/thead>\n
    E01<\/td>\nOver-voltage<\/td>\nPower off, check the supply against the specification; replace the control box if the voltage is correct<\/td>\n<\/tr>\n
    E02<\/td>\nLow voltage<\/td>\nPower off, check the supply; replace the control box if it is adequate<\/td>\n<\/tr>\n
    E03<\/td>\nCPU communication error<\/td>\nInspect the operation panel connection, reseat it, restart; replace the control box if it persists<\/td>\n<\/tr>\n
    E05<\/td>\nSpeed control unit connection abnormal<\/td>\nCheck the pedal unit connector, restart; replace the speed control unit if it persists<\/td>\n<\/tr>\n
    E07<\/td>\nMotor locked rotor<\/td>\nTurn the hand wheel; if free, check the encoder and motor connections, supply voltage and sewing speed<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    E01 and E02 are supply problems first. A stabilizer usually cures repeat trips where mains swings through the day. E07 is the Siruba equivalent of a blocked motor: mechanical resistance is the top cause. On Siruba overlocks, spare parts such as the KC24 front cover hinge<\/a> \u0914\u0930 E809 needle plate<\/a> wear too, so see our Siruba 747 parts guide<\/a>.<\/p>\n

    DDL-9000C error codes: The Same Pattern Across Brands<\/h2>\n\n\n\n\n\n\n\n\n
    Fault type<\/th>\n\u091c\u0948\u0915<\/th>\nJuki DDL-9000C<\/th>\nSiruba DL720<\/th>\n<\/tr>\n<\/thead>\n
    Motor locked or overloaded<\/td>\nE1, Err-08, Err-18<\/td>\nE007, E072, E079<\/td>\nE07<\/td>\n<\/tr>\n
    Over-voltage<\/td>\nEb, Err-04, Err-05<\/td>\nCheck supply<\/td>\nE01<\/td>\n<\/tr>\n
    Under-voltage<\/td>\nEC, Err-03<\/td>\nCheck supply<\/td>\nE02<\/td>\n<\/tr>\n
    Panel or pedal connection<\/td>\nE6, Err-10<\/td>\nE071 (motor connector)<\/td>\nE03, E05<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    DDL-9000C error codes: Parts and Help<\/h2>\n