CHAPTER 9: MALFUNCTIONS 9-3
ALPHA 552
Description
The PLC does not detect input (I17 – SP2) after a period of 30
seconds. The problem is generated anytime oil pressure is not
sufficient to make the oil pressure switch.
Solutions
Check the oil level 80 liters of oil ISO 100 are recommended
Switch the PLC to RUN mode.
Adjust or replace the pressure switch SP2.
Press the STOP button on the remote control to reset the
alarm.
AL05: Air pressure failure!
Description
The PLC does not detect input (I15 – SP1) after a period of 5
seconds. The problem is generated anytime air pressure is not
sufficient, below 3 bar or 45 psi, to make the air pressure
switch.
Solutions
Raise the air pressure to min. 3 bar et max. 6 bar.
Switch the PLC to RUN mode.
Adjust or replace the pressure switch SP1.
Press the STOP button on the remote control to reset the
alarm.
AL06: Guiding channel switch failure!
Description
Solutions
AL07: Guiding channel open failure!
Description
This alarm is generated whenever the PLC does not receive
the signal (I1 – SQ3). The problem occurs if the switch SQ3 is
defective or misadjusted or if the opening mechanism has a
malfunction.
Solutions
Check the switch SQ3.
Check the opening mechanism.
Press the STOP button on the remote control to reset the
alarm.
To Next Page
Loading...
