ELNA 7200 Service Manual page 27

7200
4.STEP 4 (PHOTO SENSOR)
Step4 BH
Sensor
H
Csen Fsen
L H
(1) (2)
5.STEP 5 (SPEED SENSOR)
Step5
Velocity Sensor
000
6.STEP 6 (SPEED CONTROL LEVER)
Step6
Volume
000
7.STEP 7 (FOOT CONTROL)
Step7
Foot Controller
000
[CORRECT CONDITION]
THE DISPLAY SHOWS [H] OR [L].
PULL THE BUTTONHOLE LEVER
TOWARD YOU-[H]
RELEASE THE BUTTONHOLE
Bsen
LEVER-[L]
L
PUSH THE BUTTONHOLE LEVER
TO THE BACK-[H]
(3)
TURN THE HANDWHEEL AND SEE
IF DISPLAY ((1), (2) AND (3))
CHANGES TO [H] OR [L].
[CORRECT CONDITION]
TURN THE HANDWHEEL AGAINST
YOU SLOWLY.
THE 3-DIGIT NUMBER REACHES
BETWEEN 414 AND 420, THEN
RETURN TO 0.
PRESS THE "CLEAR" BUTTON TO
PROCEED TO THE NEXT STEP.
[CORRECT CONDITION]
MOVE THE SPEED CONTROL
LEVER SLOWLY.
THE DISPLAY SHOWS:
AT THE LEFT END:
AT THE RIGHT END:
[CORRECT CONDITION]
THE DISPLAY SHOWS:
000–016 WHEN RELEASED FOOT
CONTROL.
208–250 WHEN FULLY
DEPRESSED.
251–255 WHEN THE FOOT
CONTROL IS DISCONNECTED.
PRESS "CLEAR" BUTTON TO
PROCEED TO THE NEXT STEP.
[FAULTY CONDITION]
THE SCREEN DOES NOT
CHANGE.
–REMEDY–
ADJUST THE POSITION OF THE
SHIELD PLATE.
ADJUST THE POSITION OF THE
PHOTO SENSOR.
REPLACE THE PHOTO SENSOR
OR CIRCUIT BOARD A.
[FAULTY CONDITION]
THE DISPLAY DOES NOT CHANGE
OR SHOWS 413 OR LESS.
–REMEDY–
CLEAN UP THE PHOTO SENSOR.
ADJUST THE POSITION OF THE
PHOTO SENSOR.
REPLACE THE MOTOR OR
CIRCUIT BOARD A.
[FAULTY CONDITION]
THE DISPLAY DOES NOT CHANGE
OR INDICATES INCORRECT VALUE.
000-002
–REMEDY–
253-255
REPLACE THE SPEED CONTROL
LEVER, CIRCUIT BOARDS K OR A.
[FAULTY CONDITION]
THE DISPLAY DOES NOT CHANGE
OR INDICATES INCORRECT
VALUE.
–REMEDY–
REPLACE THE FOOT CONTROL,
MACHINE SOCKET OR CIRCUIT
BOARD A.
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