WILLETT 430 - Mixer Tank Level High

Troubleshooting: Display Icons
Issue 2
155
Part No. 306-0430-102
Mixer Tank Level High
To determine why the Mixer Tank Level High icon is displayed, proceed as follows:
1
Remove the filler plug (Figure 74 (
1
)) from the FMS (
2
).
2
Use a syringe and plastic tube, remove 100 ml of ink from the FMS to uncover the level high sensor.
3
If the icon is no longer displayed, the level high sensor is working
4
If the icon remains on the display, the level high sensor circuit is faulty.
(
1
) Filler plug
2
1
(
2
) FMS
Figure 74 Location of FMS Filler Plug
Note: Before carrying out the checks listed in Table 44, page 156, add 100 ml of ink to the FMS to
ensure that the mixer tank level OK sensor is covered.