SERVICE (cont.)
MEMBRANE SWITCH (ULTRA-1)
FIG. 56 MEMBRANE SWITCH |
Location:
The membrane switch is located on the front panel.
Test Procedures:
NOTE: Before continuing, check that the ribbon cable is properly connected to the control board and not a pin off in either direction.
1.Disconnect the dispenser from the power source.
2.Remove the right and left side panels.
3.Remove the front panel and disconnect ribbon cable.
4.Check for continuity of the switches using pin #2 as common.
#2 - #1 (shield) no continuity #2 - #3 (I/O)
#2 - #4 (ULTRA)
#2 - #5 (GOURMET) #2 - #6 (ICE)
#2 - #7 (ICE/CHILL/OFF) #2 - #8 (Auger Motor)
If continuity is not present when the appropriate switch is pressed, the Membrane Switch must be replaced.
If continuity is present, check the short harness going to J11 on the Control Board.
Removal and Replacement:
1.Disconnect the dispenser from the power source.
2.Remove right and left side panels.
3.Remove front panel and disconnect ribbon cable.
4.Peel the old Membrane Swith off the front panel and discard. Clean any remaining adhesive from front panel with mineral spirits and then alcohol.
5.Remove protective paper backing from back side of new Membrane Switch.
6.Guide ribbon cable through narrow slot in panel. Carefully position new Membrane Switch on panel, while centering display window to opening.
7.Refer to Fig. 57 and connect the ribbon cable to the Control Board.
| MEMBRANE |
| |
| SWITCH | SHIELD | |
|
|
| 1 |
|
|
| 8 |
POWER | ULTRA | GOURMET | ICE |
|
| FIG. 57 MEMBRANE SWITCH | |
| 1 |
| FIG. 58 MEMBRANE SWITCH and RIBBON CABLE |
50 | 41084 102709 |
|
