
16
Part names
■ LEDs
POWER LED
Lights green as powered on.
TEACHING LED
Lights orange when the LPC-1 is measuring the max stroke length and the origin position (teaching) by select-
ing "2. TEACHING".
*
The screen will shows "TEACHING TIMEOUT!!" and the TEACHING LED will flush when teaching is not completed suc
-
cessfully in 10 seconds. In this case reset the alarm condition through "9. ALARM REST" and check for wrong wiring or
closed discharge line before retry.
* TEACHING ABORT!" will be shown on the screen if the MENU or RESET key is pressed during teaching. In this case,
teaching is not completed. Just retry to perform teaching.
LEAK LED
Lights red when the leak sensor detects a liquid leak in the air chamber. The pump stops operation.
FAST LED
Lights red when the pump speed rises to the fast alarm speed or above and stops lightening when it falls below
that speed.
TIME UP LED
Lights red when neither the right nor left proximity switch detects the #20 connecting plate within the set period
of time ("TIME UP ALARM"). Stops lightening when detecting the plate in time.
LIFE LED
Lights red when the reciprocation times accumulated in "TOTAL COUNT 1" exceeds the set number of times
("LIFE ALARM").
* "TOTAL COUNT 1" only is available for the LIFE ALARM.
E-P Reg LED
Lights red when:
• The electropneumatic regulator is upset in feedback control (disconnection).
• Power voltage is out of range.
• EEPROM reading/writing failure
• Discharge line pressure does not reach a target rate within 5 seconds.
START/STOP LED
Lights green during operation.
POWER LED (green)
TEACHING LED (orange)
LEAK LED (red)
FAST LED (red)
TIME UP LED (red)
LIFE LED (red)
E-P Reg LED (red)
START/STOP LED (green)