Bunn G9-2 HD-S - Manual (Page 20)

20
SERVICE (cont.)
Hopper Selector Switch
HOPPER SELECTOR SWITCH
P594
Location:
The hopper selector switch is located in the center
on the front of the hopper housing.
Test Procedure:
1. Disconnect the grinder from the power source.
2. Remove all wires from the switch terminals.
3. Place the selector switch in the left position.
4 Check for continuity across the center and right
terminals on the rear of the switch.
5. Continuity must not be present across the center
and left terminals on the rear of the switch.
6. Check the bottom row, then the top row of termi-
nals.
If continuity is present as described proceed to #7.
If Continuity is not present as described replace the
switch.
7. Place the selector switch in the right position.
8. Check for continuity across the center and left
terminals on the rear of the switch.
9. Continuity must not be present across the center
and right terminals on the rear of the switch.
10. Check the bottom row, then the top row.
If continuity is present as described, reconnect the
wires, the switch is operating properly.
If continuity is not present as described, replace the
switch.
P787
HOPPER SELECTOR SWITCH TERMINALS
Removal and Replacement:
1. Remove all wires from the switch terminals.
2. Compress the clips inside the front of the housing
and gently push the switch through the opening.
3. Push the new switch into the opening and spread
the clips to retain the switch in the housing.
4. Refer to Fig. below when reconnecting the wires.
ORA to Timer P1-6
BLU to Timer P1-8
YEL to Timer P1-1
10218 091599