Self Diagnostic Test - ELNA eXperience 620 Service Manual

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Reference manual (14 pages)

Instruction manual (98 pages)

Table Of Contents

Table of Contents

PREPARATION:

• TURN OFF THE POWER SWITCH.

• SHIFT THE BOBBIN WINDER SPINDLE TO THE LEFT.

• RAISE THE FEED DOG.

• SHIFT THE SLIDE VOLUME TO THE LEFT.

• REMOVE THE PRESSER FOOT AND RAISE THE PRESSER FOOT LIFTER.

• TURN THE HANDWHEEL TOWARD YOU TO RAISE THE NEEDLE TO ITS HIGHEST POSITION.

• ATTACH THE FOOT CONTROL.

NOTE:

• BE CAREFUL: THE SEWING MACHINE MAY START RUNNING BY ITS OWN WHILE

IN TEST MODE.

• TURN OFF THE POWER SWITCH BEFORE REPLACING ANY PARTS.

• REPEAT THE DIAGNOSTIC TEST UNTIL THE PROBLEMS HAS BEEN RESOLVED.

TURN ON THE POWER SWITCH. IF ANY OF FOLLOWING PROBLEMS OCCUR, TAKE THE REC-

OMMENDED ACTIONS IN THE ORDER THEY ARE SHOWN.

• THE MACHINE DOES NOT RESPOND WHEN THE POWER SWITCH IS TURNED ON.

1. CHECK EACH CONNECTOR CONNECTION.

2. REPLACE THE MACHINE SOCKET.

3. REPLACE THE PRINTED CIRCUIT BOARD "A".

4. REPLACE THE POWER SUPPLY CORD.

5. REPLACE THE POWER TRANSFORMER.

• THE SEWING MACHINE LIGHT DOES NOT LIGHT UP.

1. REPLACE THE LAMP.

2. REPLACE PRINTED CIRCUIT BOARD "A".

• THE LED DISPLAYS

1. REPLACE THE PRINTED CIRCUIT BOARD "A".

SELF-DIAGNOSTIC TEST:

Turn the power switch on while

pressing the "–" of stitch width

button and "+" of stitch length

button.