Component Testing Procedures
!
WARNING
To avoid risk of electrical shock, personal injury or death, disconnect power to oven and discharge capacitor
before servicing, unless testing requires power.
January 2009
16500008
©2009 ACP Inc.
Replaces 16027357
3
Illustration
Component
Test
Results
208
COM
230
120
Auto Transformer
230
208
120
0
Discharge Capacitors
Remove all wires from terminals.
Measure resistance from:
230 to 0 ...........................................................
208 to 0 ...........................................................
120 to 0 ...........................................................
42.4
Ω
.
38.6
Ω
.
21.5
Ω
.
1
3
2
4
7
6
5
8
Terminal 1
−
Common
Terminal 2
−
208 V
Terminal 3
−
230 V
Transformer
# 4
# 1
# 3
# 2
# 5
# 6
# 7
# 8
1.0 F
-300 MA
-300 MA
1.0 F
Discharge Capacitors
Remove all wires from terminals.
Measure resistance from:
Terminal 1 to 2 ................................................
Terminal 1 to 3 ................................................
Terminal 5 to 6 ................................................
Terminal 7 to 8 ................................................
Terminal 4 to Ground screw on transformer ....
Terminal 4 to any other terminal ......................
Gray
Violet
Red
1
3
2
Less than 1
Ω
Less than 1
Ω
.
Less than 1
Ω
.
Less than 1
Ω
.
30
Ω
.
Infinite resistance. If not, replace
transformer.
Primary /
Logic
Secondary
Mo nitor
Interlock switch
assembly
Disconnect wires to switch.
With door open measure resistance from:
Terminal C to NC Monitor ..........................
Terminal C to NO Primary / Logic ..............
Terminal C to NO Secondary .....................
With door closed measure resistance from:
Terminal C to NC Monitor ..........................
Terminal C to NO Primary / Logic ..............
Terminal C to NO Secondary .....................
Door Closed
Primary / Logic C
NC
NO
C
C
NO
Secondary
Monitor
Continuity.
Infinite.
Infinite.
Infinite.
Continuity.
Continuity.
Touch Panel
Assembly
Continuity is indicated as 100
Ω
and below.
Pin 1:
Ground.
Pad
1
2
3
4
5
6
7
8
9
0
Start
Stop/Reset
Power Level
X 2
Time Entry
Pins
8 & 10
7 & 10
6 & 10
5 & 10
4 & 10
3 & 10
8 & 9
7 & 9
6 & 9
5 & 9
4 & 9
4 & 8
5 & 8
6 & 8
7 & 8
Measurement
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity
Continuity
Wire Harness
Test continuity of wires.................................... Continuity.
