9
SEWING MACHINE
MODEL DC5100
Step1 LCD&LED
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01
SELF DIAGNOSTIC TESTS
SELF-DIAGNOSTIC TEST:
PREPARATION:
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TURN OFF THE POWER SWITCH.
•
SHIFT THE BOBBIN WINDER SPINDLE TO THE LEFT.
•
RAISE THE FEED DOG.
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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.
•
PLUG THE FOOT CONTROL TO THE MACHINE.
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 RECOM-
MENDED 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 THE CIRCUIT BOARD “A”.
•
THE LCD SCREEN DOES NOT DISPLAY.
1. REPLACE THE PRINTED CIRCUIT BOARD “A”.
TURN THE POWER SWITCH ON WHILE PRESSING
THE REVERSE BUTTON & AUTO-LOCK BUTTON.
THEN PRESS THE 01 BUTTON WITHIN 3 SECONDS
TO ENTER THE SELF-DIAGNOSTIC MODE.
THE STANDARD MODE SHOWS UP IF YOU DO NOT
PRESS THE 01 BUTTON WITHIN 3 SECONDS. TURN
THE POWER SWITCH OFF AND START OVER
AGAIN.
SELF-DIAGNOSTIC MODE
