Okuma Alarm-C 3703 Oil filter
The oil controller filter in the hydraulic unit is clogged to actuate the pressure switch and the pressure switch is kept actuated for more than 2[s]. (Slave station 13 input,bit 7 of strobe 4)
Probable Faulty Locations
1)Clogging of filter of the oil controller.
2)The fan motor is stopped.
Measures to Take
1)Clean the filter of the oil controller.
2)Soiled fan motor
3)Malfunction of fan motor