User's Manual
Troubleshootin
g
Pump Module Troubleshooting
Figure 13 Pump Module
Table 5 . Pump Module Diagnostics
Component or
Indicator
Description Diagnosis
1 25 pin connector
Input from EFCM
2 5 pin connector Pump connection
3 5 pin connector Encoder connection
4 5 pin connector Pump Inlet Transducer
5
5 pin connector
Pump Outlet Transducer
6 4 pin connector Not used
7 8 pin connector
Dose Valve Solenoids
8 4 pin connector
48 Vdc Input Power and fan connection
9
LED (red) Pump Up Valve Output
10
LED (red) Pump Down Valve Output
11
LED (red)
Not used
24V
LED (green)
24 Vdc power supplied
48V
LED (green)
48 Vdc power supplied
26 3A2800B