This controller can send three kinds of fault signal of"prolong filling time","oil level low""overload operation",has a connection point outsde to send operation(stop,working,fault)signal of lubrication system to the main machine or main controller room.
Appearance and dimensions：
| No | code | show | No | code | show |
| 1 | PC | counter | 7 | SB2 | fill pump starting |
| 2 | HL1 | electric source | 8 | SA1 | manula,auto |
| 3 | HL2 | fill pump working | 9 | SB4 | grease pump starting |
| 4 | HL3 | grease staion working | 10 | SB1 | fill pump stop |
| 5 | HL | prolong filling time | 11 | SB5 | fault recover |
| 6 | HL5 | overload operation | 12 | SB3 | grease station stop |
