Sankosha LP-660E-V2 Instruction Manual Download

Page: 31 / 56

Error

number

(1) Error description

(2) Error detail

(3) Check contents

E11

1. Middle press close overtime error
2. Time until middle press presses is over time set up by Vol.1.
3. (1)When you touch magnet to sensor at the head side of cylinder, the red light of sensor …

①

does light

・・・

it is considered wrong position of sensor. Please loosen the band of it,

and find lighting zone. Please place center of lighting zone and fix it.

②

doesn’t light

・・・

it is sensor problem. Check sensor is broken, or wire connection (such

as looseness or disconnection).

(2) Check air pressure. (Main Pressure:

0.6MPa,

reference Page 16)

E12

1. Middle press end sensor (SQ04) error
2. Pressing middle press but sensor don’t turn on.

(Abnormalities of close middle press end sensor or Solenoid valve (No.2))

3. (1) It is considered wrong position of sensor. Please loosen the band of it, and find lighting zone.

Please place center of lighting zone and fix it.

(2) Check air pressure. (Main Pressure:

0.6MPa,

reference Page 16)

E13

1. Middle press end sensor (SQ04) open overtime error
2. After middle press go up, if 2 seconds or more, sensor is still ON.

(Abnormalities of close middle press end sensor or Solenoid valve (No.2))

3. Check cylinder sensor.

・

Start “ Input test 1” of service menu.

・

If a magnet is placed on the rod side of the middle press cylinders and the red sensor does not

display or "S4" does not appears on the display panel. There is a problem with the cylinder sensor.
Check the sensor’s wiring has not become disconnected, etc. If no problem is found then the
cylinder sensor itself is broken. When "S4" appears on the display panel this may be become there
is a problem with the valve (No.2) Check valve and air pressure.

E14

1. Upper press end sensor (SQ08) open over time error
2. After middle press go up, if 2 seconds or more, sensor is still ON.

(Abnormalities of close upper press arm end sensor or Solenoid valve (No.3))

3. Check cylinder sensor.

・

Start “ Input test 1” of service menu.

・

If a magnet is placed on the rod side of the upper press cylinders and the red sensor does not

display or "S8" does not appears on the display panel. There is a problem with the cylinder sensor.
Check the sensor’s wiring has not become disconnected, etc. If no problem is found then the
cylinder sensor itself is broken. When "S8" appears on the display panel this may be become there
is a problem with the valve (No.3) Check valve and air pressure.

E20

1. Left start button error

2. Start the button remains down when the power supply is turned on.

3. (1) If the left start button is released this error should disappear, if it does not check that nothing is

holding down the button.

(2) If nothing is holding the left start button down and an error is displayed it is possible that there

is a problem with the actual button. Check that there is no problem with the wiring or that there
are no loose connections.