Component Testing Procedures
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to oven before servicing, unless
testing requires power.
16022396 Rev. 0
June 2003
2
Illustration
Component
Test Procedure
Results
1200 W
−
6
"
1800 W
−
6
"
oval
1800 W
−
7
"
2000 W
−
8
"
2200 W
−
8
"
2400 W
−
6/9
"
Ribbon radiant
elements
Remove one wire lead from element
and measure resistance of the
element.
Dual element
−
1000 + 1400 = 2400 W
Continuity, if not replace.
6
"
−
1200W: 44 to 49
Ω
Approximately
6
"
−
1800W: 50 k
Ω
Approximately
7
"
−
1800W: 29 to 33
Ω
Approximately
8
"
−
2000W: 26 to 30
Ω
Approximately
8
"
−
2200W: 24 to 27
Ω
Approximately
2400W: 1000 W
−
Inner 53 to 59
Ω
1400 W
−
Outer 38 to 42
Ω
Ribbon surface
thermal limiter/hot
light switch
Turn surface element on and test for
voltage. See wiring diagram and
schematic.
1a
−
2a 240 VAC
1b
−
2b 120 VAC
Disconnect leads and measure
resistance on the following:
1a
−
2a room temperature
−
continuity
1b
−
2b room temperature
−
infinite
240 VAC
Electrovac
1b
1a
2a
2b
Hot light
Heater
circuit
circuit
Therm-O-Disc (TOD)
1b
2b
2a
1a
Hot light
Heater
circuit
circuit
L2
L1
H2
P
H1
1
2
3
4
5
Infinite switch
Primary Heating Element
Term. 4
H2
Term. 1
H1
Heater
N
L1
L2
Term. 2
P
Term. 3
L1
Term. 5
L2
Remove wiring from terminals H1 and
H2. Connect Volt
-
ohms meter to
H1 and H2.
Measure the following for voltages at
LO, MED, HI:
H1 to H2
Time On
Time Off
LO
5%
95%
MED (4-5)
50%
50%
HI
100%
0%
240 VAC, if not, replace switch.
TOP
P1
2
P2
4a
4
S2
S1
EGO
Dual infinite switch
2
4
4a
S2
S1
P2
P1
(L1, 2)
(H1, 3)
(H2, 4)
(P, 5)
(L2)
ELEMENT
EGO
Remove wiring from terminals H1 and
H2. Connect Volt
-
ohms meter to
H1 and H2.
Measure the following for voltages at
LO, MED, HI:
H1 to H2
Time On
Time Off
LO
5%
95%
MED (4-5)
50%
50%
HI
100%
0%
240 VAC, if not, replace switch.
Indicator light
Measure voltage at indicator light.
If voltage is present and light does not
work replace light.
If no voltage is present at indicator light
check wiring.
