51
RVV Gen II KO Service and Parts Manual
SECTION 5: Troubleshooting
B. Plunger does not spin. (Refer to Figure 5.4.)
1. Remove the top of the cup, and check the harness connection at pinout P2 on the cup logic board.
(Refer to
Figure 5.7.)
Make sure there are no loose wires and the connection is tight.
2. Ensure that all the gears inside the cup are seated properly and are in their correct positions.
(Refer to Figure
5.8.)
3. Using an ohmmeter, check for continuity on all wires in the harnessing from the DMC to the cup logic board.
If
any
wire fails, replace the harness. If
all
wires pass, replace the cup logic board. If the problem persists,
replace the driver motor.
(Refer to Figure 5.6.)
FIGURE 5.7.
Location of position P2
Make sure the harness at the connection on the
logic board is tight, with no wires loose, backed
out, etc.
Position P2
FIGURE 5.8.
Gears inside cup
Ensure that the gears are seated
properly in their correct positions.