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SERVICE
This section provides procedures for testing and
replacing various major components used in this
brewer should service become necessary. Refer to
Troubleshooting for assistance in determining the
cause of any problem.
WARNING - Inspection, testing, and repair of electri-
cal equipment should be performed only by qualifi ed
service personnel. The brewer should be unplugged
when servicing, except when electrical tests are re-
quired and the test procedure specifi cally states to
plug in the brewer.
COMPONENT ACCESS
WARNING - Disconnect the brewer from the power
source before the removal of any panel or the replace-
ment of any component.
All components are accessible by the removal
of the top cover, front inspection panel and warmer
plate(s).
The top cover is attached with two #4-40 screw.
The front inspection panel is attached with fi ve
#8-32 screws.
The warmer assembly is attached with three #4-40
screws.
Contents
Control Thermostat ..............................................15
Limit Thermostat ..................................................16
ON/OFF Switch .....................................................16
Recovery Booster .................................................18
Solenoid Valve (Inlet) ...........................................19
Start Switch (Brew) ............................................. 20
Tank Heater ......................................................... 21
Tank Heater Switch ............................................. 22
Timer (Early Models)........................................... 24
Digital Timer (Late Models) ................................. 25
Warmer Element ................................................. 27
Wiring Diagrams ................................................ 28
O N
O N
T
A
N
K
O F
O F
F
F
FIG. 1 COMPONENT ACCESS
Page 14
O T
O T
E H
E H
A R
A R
E S
E S
A C
A C
R F
R F
S U
S U
N D
N D
S A
S A
E R
E R
R M
R M
W A
W A
N :
N :
IO
IO
U T
U T
C A
C A
N
N
U
B
P
TO
S
T
IE
AR
R
ST
E
S
W
C
ER
/L OW
ON
D Y
E A
R
N
N
U
!
B
R
R
N
N
N TE
N TE
P
IO
IO
C A
C A
TO
U T
U T
D E
D E
C A
C A
R D
R D
C A
C A
T
D IS
D IS
AR
ST
IF :
IF :
D
D
KE
KE
D
D
Y
Y
AC
AC
HE
HE
PT
PT
. CR
. CR
TC
TC
DR
DR
Y
Y
N
N
EM
EM
AM
AM
E
E
ER
. SC
. SC
RA
IL ED
IL ED
RA
W HE
W HE
FL
FL
TR
TR
IC
IC
/L OW
GH
GH
EC
EC
. BO
. BO
ED
ED
HI
HI
EL
EL
ON
. HE
. HE
AT
AT
ON
ON
D
D
ED
ED
PO
PO
SE
SE
. US
. US
EX
EX
TS
TS
. OR
. OR
EN
EN
R Y
R Y
EM
EM
IN JU
IN JU
EL
EL
AT
AT
ION
ION
K S
K S
OR
OR
R IS
R IS
CO
CO
RP
RP
IC
IC
M P
M P
LY
LY
-M
-M
AT
AT
C O
C O
NN
NN
-O
-O
BU
BU
TO
TO
19
19
85
85
R E
R E
IL U
IL U
FA
FA
8
8
: 65
: 65
PN
PN
10737 062900
S
IE
R
E
S
W
C
D Y
E A
R
P1232
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