Bunn Single TF 用户指南
Page 31
SERVICE (cont.)
ON/OFF SWITCH
P1014
Location:
The ON/OFF switch is located on the front of the
hood in the center to the right of the start switch.
3. Check the voltage across the red or white wire and
the black wire with a voltmeter. Connect the brewer
to the power source. The indication must be:
a.) 120 volts ac for two wire 120 volt models, three
wire 120/208 volt models and three wire 120/240
volt models.
b.) 200 to 240 volts ac for two wire 200 or 240 volt
models.
to the power source. The indication must be:
a.) 120 volts ac for two wire 120 volt models, three
wire 120/208 volt models and three wire 120/240
volt models.
b.) 200 to 240 volts ac for two wire 200 or 240 volt
models.
4. Disconnect the brewer from the power source.
If voltage is present as described, reconnect the red or
white wire, and proceed to #5.
If voltage is not present as described, refer to the
Wiring Diagrams and check the brewer wiring har-
ness.
white wire, and proceed to #5.
If voltage is not present as described, refer to the
Wiring Diagrams and check the brewer wiring har-
ness.
P1064
Test Procedure:
1. Disconnect the brewer from the power source.
2. Viewing the switch from the back remove the red
1. Disconnect the brewer from the power source.
2. Viewing the switch from the back remove the red
or white wire from the upper right terminal and the
black wire from the center terminal.
black wire from the center terminal.
CA
UT
IO
N
DI
SC
AR
D
DE
CA
NT
ER
IF:
. C
RA
CK
ED
. S
CR
AT
CH
ED
. B
OI
LE
D
DR
Y
. H
EA
TE
D
W
HE
N
EM
PT
Y
. U
SE
D
ON
H
IG
H
FL
AM
E
. O
R
EX
PO
SE
D
EL
EC
TR
IC
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ME
NT
S
FA
ILU
RE
TO
C
OM
PL
Y
RI
SK
S
IN
JU
RY
PN
: 658
198
5 BU
NN
-O
-MA
TIC
CO
RPO
RATIO
N
FU
NN
EL
C
ON
TE
NT
S
AR
E
HO
T
!
OP
ER
AT
IN
G
PR
OC
ED
UR
ES
1.
Ch
ec
k S
erv
er
siz
e i
f
Br
ew
er r
efu
se
s to
br
ew
.
2.
Mc
Do
na
ld's
B
rew
Te
mp
era
tur
e: 2
00°
F ±
5°
(3-
18
-96
)
!
CAU
TIO
N
HO
T WA
TE
R
DIS
CO
NN
EC
T F
RO
M
PO
WE
R S
OU
RC
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BE
FO
RE
RE
MO
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F A
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AN
EL
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RE
PL
AC
EM
EN
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F AN
Y C
OM
PO
NE
NT
!
WARNING
!
5. With the black wire removed, remove the white/
violet wire on the switch from the lower left
terminal.
terminal.
6. Check for continuity across the center and lower
left terminal with switch in the "ON" position.
Continuity must not be present when switch is in
the "OFF" position.
Continuity must not be present when switch is in
the "OFF" position.
If continuity is present as described, reconnect the
black wire to the center terminal and the white/violet
wire on the switch to the lower left terminal.
If continuity is not present as described, replace the
switch.
Removal and Installation:
1. Remove the wires from the switch terminals.
2. Compress the clips inside the hood and gently
black wire to the center terminal and the white/violet
wire on the switch to the lower left terminal.
If continuity is not present as described, replace the
switch.
Removal and Installation:
1. Remove the wires from the switch terminals.
2. Compress the clips inside the hood and gently
push the switch through the opening.
3. Push the new switch into the opening and spread
the clips to hold switch in the hood.
4. Refer to the following below when reconnecting
the wires.
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