Diagnosis Chart - ELNA 7200 Service Manual

7200
NOTE:
1. THIS DIAGNOSIS DEVICE IS PROVIDED FOR THE PURPOSE OF CHECKING THE CIRCUIT BOARDS A
AND K AND THE FUNCTIONS OF 7200.
2. THE POWER SWITCH MUST BE TURNED OFF WHEN REPLACING PARTS.
3. THE LANGUAGE ON THE LCD IS ENGLISH ONLY.
PREPARATION
1. REMOVE THE MACHINE BASE.
2. REMOVE THE BELT COVER.
3. SHIFT THE BOBBIN WINDER STOPPER TO THE RIGHT.
4. SLIDE THE DROP FEED LEVER TO THE LEFT TO RAISE THE FEED DOG.
5. SLIDE THE SPEED ADJUSTING LEVER TO THE LEFT.
6. REMOVE THE PRESSER FOOT AND RAISE THE PRESSER BAR LIFTER.
7. SET THE NEEDLE BAR AT THE HIGHEST POSITION.
BEFORE USING THE DIAGNOSISI DEVICE,
CHECK OR REPLACE THE FOLLOWING PART(S) IF NOTHING HAPPENS WHEN THE POWER SWITCH IS
TURNED ON:
1. THE CONNECTORS ARE CONNECTED PROPERLY (REFER TO PAGE 8)
2. REPLACE THE CIRCUIT BOARD A OR FUSE ON IT (REFER TO PAGE 5)
3. REPLACE THE POWER SUPPLY CORD.
4. REPLACE THE MACHINE SOCKET.
5. REPLACE THE TRANSFORMER.
WHEN THE SEWING LAMP DOES NOT TURN ON,
1. REPLACE THE SEWING LAMP.
2. REPLACE THE CIRCUIT BOARD A.
LCD&LED
Next :

DIAGNOSIS CHART

Step1
C
TO ACTIVATE THE DIAGNOSIS DEVICE
1. WHILE PRESSING THE NEEDLE UP/DOWN AND
LOCK STITCH BUTTONS, TURN THE POWER
SWITCH ON. THEN PRESS THE NUMBER 1 BUTTON
WITHIN 3 SECONDS.
2. THE STEP 1 SCREEN APPEARS.
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