Bunn U3A User Manual
Page 23

Page 23
SERVICE (cont.)
START SWITCH (BREW)
FIG. 20 START SWITCH (BREW)
P2104.25
Location:
The brew start switch is located on the upper right
side of the brewer component housing.
Test Procedures:
1. Disconnect the brewer from the power source.
2. Remove the wires from the start switch terminals.
3. Check for continuity across the switch terminals
when the switch is held in the lower position.
Continuity must not be present when the switch is
in the upper position.
If continuity is present as described, reconnect the
wires the switch is operating properly.
If continuity is not present as described, replace the
switch.
BLU to Brew Timer
RED from ON/OFF
Switch
FIG.21 BREW START SWITCH TERMINALS
P2111
Removal and Replacement:
1. Remove the wires from the switch terminals.
2. Compress the clips on the back side of the switch
mounting bracket and gently push them through
the opening.
3. Push the new switch into the opening and spread
the clips to hold switch in the mounting bracket.
4. Refer to Fig. 21 and reconnect the wires.
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