weedingtech FoamStream M1200, User Manual, Page: 24 / 36

M1200 – User manual – English (EU) – 01/03/2018 - ISSUE 2
24
11. Basic fault finding
The PLC of the M1200 is designed to help the user in case
something goes wrong.
Figure 18 – Summary screen of the PLC
Num. Description
1 Boiler incoming water temperature
2 Boiler outgoing water temperature
3 Foamstream tank level sensor
4 Water tank level sensor
5 Diesel level sensor
6 Boiler controller
7 Water pump
8 Venturi
9 Lance solenoid valve
10 Lance flow switch
11 Lance pressure switch
12 Boiler diesel pump
13 Return to tank flow switch
Green colour indicates that the sensor is seeing a signal and
grey or red
that it doesn’t. Red colour does not necessarily
mean that there is an issue with the sensor. Normal sensor
states during start-up/shut-down and normal operation are
described in the table below.
Num. Start-up Running
1 Not applicable
2 Not applicable
3 Green Green
4 Green Green
5 Green Green
6 Should be visible
7 Green Green
8 Grey Green
9 Grey Green
10 Green Green
11 Grey Green
12 Green Green
13 Green Grey
When a fault occurs, a fault message will be displayed in the
box n
o 4 of Figure 14. Below are the faults that can appear
in that screen and what they mean.
1
2
3
4
5
6
7 8
9
10
11
12
13