Okuma Alarm-B 2734 Coolant level
Coolant is running short or overflown.
Code
None->The coolant level low switch (I/O check NO.34 INPUT bit 0 (iCOL/)) remained OFF longer than 1[s].
2->The coolant level lowest switch (I/O check NO.43 INPUT bit A (iCLLST/)) remained OFF longer than 1[s].
3->The coolant overflow switch (I/O check NO.43 INPUT bit B (iCLOF/)) remained OFF longer than 1[s].
4->The coolant level upper limit switch (I.035F) remained OFF longer than 1 second.
5->The coolant level lower limit switch (I.035E) remained OFF longer than 1 second.
6->A coolant ON signal was continuously sent from the high-pressure coolant unit for the time specified by the parameter.
7->The coolant level low switch (I/O check NO.34 INPUT bit 0 iCOL) remained ON longer than 1 second.
8->The lowlevel signal has been OFF for 1[s] or more.
9->The lowlevel signal has been OFF for 1[s] or more.
10->The coolant level signal from mist coolant unit was OFF.
11->The lowlevel signal has been OFF for 1[s] or more.
12->The oil mist unit lowlevel signal has been OFF for 1[s] or more.
16->The Coolant overflow signal kept OFF for 1[s] or longer.
17->The Coolant lowlevel signal with the machine coolant tank kept OFF for 1[s] or longer.
18->The Coolant lowlevel signal with the additional coolant tank kept OFF for 1[s] or longer.
24->The coolant level low switch (I/O check NO.34 INPUT bit 0 iCOL/) kept OFF for the time of parametar setting or longer.
25->There was no oil inside oil mist for A turret.
26->There was no oil inside oil mist for B turret.
27->Oil inside oil mist for A turret was overflow.
28->Oil inside oil mist for B turret was overflow.
29->A problem has occurred with an Coolant level switch.
30->The coolant level low/ input kept OFF for 3 seconds or longer while the through spindle coolant command is active.
38->The Coolant lowlevel signal with the machine and additional coolant tank kept OFF for 1[s] or longer.
39->The Coolant high level signal with the machine and additional coolant tank kept OFF for 1[s] or longer.
40->The coolant tank level normal signal remained for more than 3[s] while the coolant motor ON.
41->The coolant tank level normal signal remained for more than 3[s] while the oil hole (through spindle coolant) ON.
42->The coolant tank level normal signal remained for more than 3[s] while the high pressure oil hole (through spindle coolant) ON.
47->The Coolant lowlevel signal with the additional coolant tank kept OFF for 5[s] or longer.
Probable Faulty Locations
1)A low coolant level
2)Wrong flow switch position
3)A faulty float switch
Measures to Take
1)Replenish coolant.
2)Check the float switch.
3)Replace the float switch with a new one.