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8. ELECTRICAL MECHANISM
130
BAS-311G, BAS-326G
Problem #9 When the foot switch is depressed, an error code is displayed.
Cause Inspection/Remedy/Adjustment Replacement if a malfunction
3. If the work clamp moves slightly
and then [E300] is displayed,
there is a malfunction of the
encoder.
1) Check that connector P5 (P-ENC) is inserted
into the main P.C. board.
2) Check the encoder input while referring to
“2-8. Input checking method”.
Pulse motor P assembly
4. If the work clamp operates and
[E300] is displayed, there is a
malfunction of the work clamp
home position sensor.
1) Check that connector P8 (SENSOR1) is
inserted into the main P.C. board.
2) Check the work clamp home position sensor
input while referring to “2-8. Input checking
method”.
3) If a metallic object is brought close to the
work clamp home position sensor and the
LED inside the sensor does not illuminate,
there is a malfunction of the sensor.
4) If it illuminates, the home position dog is
incorrectly adjusted.
Switch to home position adjustment mode,
and adjust the position of the home position
dog. (Refer to “7-20. Adjusting the home
position”.)
Work clamp home position
sensor
5. If the work clamp does not move
and [E300] is displayed, there is
a malfunction of the pulse motor
or cord.
1) Disconnect connector P3 (PPM) from the
PMD P.C. board, and measure the resistance
between pins 1-2 and 3-4 at the cord-side
connector.
OK if 2-3 Ω
After measuring, insert P3.
2) If 1) is OK, there is a malfunction of the PMD
P.C. board.
Pulse motor P assembly
PMD P.C. board
Problem #10 CF media indicator does not illuminate.
Cause Inspection/Remedy/Adjustment Replacement if a malfunction
1. Incorrectly inserted
1) Check the insertion direction of the CF card.
(The side with the projection should be at the
left.)
2) Check the insertion of the CF card.
2. CF card incorrectly formatted. Check the format of the CF card.
(Use 16-sector formatting.)
3. Malfunction of CF card Use a computer to check whether the contents of
the CF card can be read.
Problem #11 Work clamp does not rise.
Cause Inspection/Remedy/Adjustment Replacement if a malfunction
1. Incorrect work clamp home
position adjustment
Adjust the home position while referring to “7-20.
Adjusting the home position”.
2. Incorrect mechanism adjustment Check if the movement of the work clamp arm is
stiff.
Work clamp arm assembly
4888Q