Bunn G9-2T HD User Manual
Page 11
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SERVICE (cont.)
Off/On/Start Switch
Location:
The Off/On/Start switch is located to the left side
on the front of the housing above the upper front
inspection panel.
Test Procedure:
1.
Unplug the grinder.
2.
Remove the black wire from the switch.
3.
Check for continuity across the black wire from the
Off/On/Start switch and the left blade of the cordset
connector (see illustration below).
If continuity is present as described, proceed
to #4.
If continuity is not present as described, refer
to the
Wiring Diagrams
and check the grinder
wiring harness.
4.
Remove the remaining wires from the switch.
5.
Check for continuity across the left terminals when
the switch is placed in both the “ON” (center) and
“START” (lower) positions.
CORDSET CONNECTOR
Looking Straight-on
Black
If continuity is present as described, proceed
to #6.
If continuity is not present as described, re
place the switch.
6.
Check for continuity across the right terminals
when the switch is placed in the “START” (lower)
position only.
If continuity is present as described, the
Off/On/Start switch is operating properly.
If continuity is not present as described,
replace the switch.
Removal and Replacement:
1.
Remove all wires from the switch terminals.
2.
Compress the clips inside the front wrapper 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 hood.
4.
Refer to the following illustration when recon-
necting the wires.