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 | cade | show | No | cade | show |
| 1 | JS | counter | 7 | 30GF2 | oil level low |
| 2 | 30GA | electric source | 8 | 30GF3 | overload openration |
| 3 | 30GC | fill pump working | 9 | 3-88GA | fill pump starting |
| 4 | 30GB | operating | 10 | 3-30GF | fault recover |
| 5 | 30GS | stop | 11 | 3-88G | optional operation |
| 6 | 30GF1 | prolong |
