Oven Circuits; Oven Calibration - GE ZEK957 Series Technical Service Manual
27-in. built-in electric wall oven
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Also See for ZEK957 Series:
- Installation instructions manual (13 pages) ,
- Installation instructions manual (12 pages)
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Oven Circuits
* Bake and broil units cannot be on at the same
time.
•
Bake and Broil units time-share during and
after preheat. There is approx. 1 minute of
dead time between Bake and Broil operation
while calling for heat after preheat.
•
Broil & Clean unit only on during first 30 min-
utes or until oven reaches 750 °F. During the
balance of the Clean operation, the oven will
cycle between the Bake and Broil units.
**Convection fan not running, make the following
checks:
•
Check the voltage from terminal P101-5 or -6
on control. Voltage should read 120 V in Conv.
Bake or Roast mode.
•
If voltage OK, check convection fan motor. It
should read approx. 15-20 V at room tempera-
ture. Check to ensure shaft is not rubbing on
the oven liner.
Oven Calibration
Testing has shown that this oven has the best
cooking performance at a control setting of 350 °F
when the AVERAGE center oven temperature is
between 340 °F and 380 °F (depending on model).
Customers may change the average center oven
temperature by +/- 35 °F to satisfy their own
cooking needs.
To change:
•
Press and hold Bake & Broil pads until
S F appears in display.
•
Press Bake pad to enter oven calibration
mode (separate for upper and lower). A num-
ber between +35 °F and -35 °F will be dis-
played.
•
Press TEMP Up or Down or digit pads (de-
pending on model) to change average oven
temperature. (Use Bake pad to switch be-
tween + or -settings, if using digit pads.)
•
Press START to return to Time of Day.
BAKE/TIME BAKE/CLEAN (SEE NOTE)
"L-1"
BAKE
BROIL
L1
16.6A
BROIL & CLEAN (SEE NOTE)
"L-1"
L1
BROIL
14.2A
CONVECTION BAKE
L1
L1
10.4A
J6-7
CONVECTION ROAST
L1
L1
14.2A
J6-7
J6-5, 6
Set Point Table
S
n i
g
e l
W
a
l l
O
v
e
n
o L
k c
T
e h
m r
a
S l
W
N
C
F
n a
T
e h
m r
a
S l
W
N
O
T
e h
m r
l a
u C
o t
t u
N
C
D
o
u
b
e l
W
a
l l
O
v
e
n
o L
k c
T
e h
m r
a
S l
W
N
C
F
n a
T
e h
m r
a
S l
W
N
O
T
e h
m r
l a
u C
o t
t u
N
C
D
o
u
b
e l
W
a
l l
O
v
e
n
o L
k c
T
e h
m r
a
S l
W
N
C
F
n a
T
e h
m r
a
S l
W
N
O
T
e h
m r
l a
u C
o t
t u
N
C
M
c i
r
o
w
a
v
e
D
o
u
b
o L
k c
T
e h
m r
a
S l
W
N
C
F
n a
T
e h
m r
a
S l
W
N
O
T
e h
m r
l a
u C
o t
t u
N
C
– 25 –
"L-2"
BAKE
11A
2640 W / 21Ω
Thermal Switch
Thermal Switch
300˚F Manual
Auto Reset
Reset (Lower Only)
BROIL
16.6A
3400 W / 16.8Ω
BROIL
14.2A
3400 W / 16.8Ω
Thermal Switch
Thermal Switch
300˚F Manual
Auto Reset
Reset (Lower Only)
240V.
CONV.
BAKE
CV
10.4A
2640W
22W
22Ω
J6-5,6
NO
C
M
DOOR
CONV.
**
SW.
FAN
240V.
BROIL
BR
14.2A
3400W
16.8W
16.8Ω
NO
C
M
DOOR
**
CONV.
SW.
FAN
S
E
T
P
O
N I
T
D
O
T
s
8
° 8
/ C
9 1
° 0
F
W
h
e t i
2 3
5
° 9
/ C
3 1
° 8
F
o N
e n
2 2
6 1
° 6
/ C
3 3
° 0
F
r O
n a
e g
, s
U
p
p
e
r
1 1
° 8
/ C
4 2
° 0
F
r O
n a
e g
2 2
5
° 9
/ C
3 1
° 8
F
o N
e n
2 2
6 1
° 6
/ C
3 3
° 0
F
r O
n a
e g
, s
L
o
w
e
r
8 1
° 5
/ C
8 3
° 5
F
R
d e
0 2
5
° 9
/ C
3 1
° 8
F
u P
p r
e l
0 2
2 1
° 1
/ C
5 2
° 0
F
l B
e u
e l
O
v
e
n
s
7 1
° 8
/ C
4 3
° 9
F
G
e r
n e
2
5
° 9
/ C
3 1
° 8
F
u P
p r
e l
0 2
2 1
° 1
/ C
5 2
° 0
F
l B
e u
"L-2"
L2
Thermal Switch
(Lower Only)
Thermal Switch
Auto Reset
250˚ F auto
Reset
N
L2
Thermal Switch
(Lower Only)
Auto Reset
Thermal Switch
250˚ F auto
Reset
N
A P
R
T
N
. O
B 6
1 1
2 5
0 P
8 0
C 9
8 4
9 6
0 P
5 0
S
W
1 C
4 4
C 9
8 4
0 7
0 P
4 0
C 9
8 4
9 6
0 P
5 0
S
W
1 C
4 4
C 5
6 2
5 8
0 P
2 0
C 5
6 2
6 8
0 P
1 0
S
W
0 C
5 6
5 0
2 C
8 6
0 P
1 0
C 5
6 2
6 8
0 P
1 0
S
W
0 C
5 6
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