Okuma Alarm-A 1786 Coolant error
Error was caused on the coolant unit.
High-pressure coolant alarm input signal is OFF.
Both upper limit float switch and lower limit float switch signals are OFF or coolant alarm signal is OFF.
Code
1->In the cace of concentrated coolant specification, both upper limit float switch and lower limit float switch signals are OFF.
2->In the cace of concentrated coolant specification, coolant alarm signal is OFF.
3->High-pressure coolant alarm/(contact B) input signal kept OFF for 5 seconds or longer (for high-pressure coolant (CEmarked) types).
4->The pump alarm input signal turned ON (for separate coolant tank types).
5->The overflow input signal turned ON (for separate coolant tank types).
6->The high coolant pressure switch did not turn ON within a second after the high-pressure coolant filter pump started (for high-pressure coolant types).
7->Dirty tank upper level/(contact B) input signal kept OFF for 2 seconds or longer.
8->Main tank upper level/(contact B) input signal kept OFF for 2 seconds or longer.
9->High-pressure coolant unit alarm (B-type contact) input signal is OFF in high-pressure coolant system, which is made by chip blaster.
10->In the case of eject-drill specification.
11->The coolant level of the high pressure coolant unit is low.
12->The filter of the high pressure coolant unit is clogged.
13->High-pressure coolant command when coolant system illegal.
14->The coolant level signal (iCOL/) kept OFF.
15->The coolant level 2 signal (iCOL2/) kept OFF.
16->The through spindle-coolant ON command was issued when the coolant system normal input signal was OFF.
17->The coolant system normal input signal kept OFF for 90 seconds or longer with ALARM-B 2764 CODE 16 pending.
18->The Coolant lowest level signal with the machine and additional coolant tank kept OFF for 1[s] or longer.
19->The through spindle coolant ON command was issued when the coolant level low/ input was OFF.
20->The coolant level low/ input kept OFF for 90 seconds or longer with ALARM-B 2734 CODE 30 pending.
21->The Coolant highest level signal with the machine kept OFF for 1[s] or longer.