ACP HDC12A2 - Page 3

Component Testing Procedures
To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor
before servicing, unless testing requires it.
July 2012 16500038
©2012 ACP, Inc.
3
Illustration
Component
Testing
Results
Terminal 1120 V
Terminal 2Common
Transformer
Discharge Capacitor
Remove all wires from terminals, and
measure resistance from:
Terminal 1 to 2 .................................................
Terminal 5 to 6 .................................................
Terminal 7 to 8 .................................................
Terminal 4 to Ground screw on transformer .....
Terminal 4 to any other terminal ......................
Less than 1 Ω.
Less than 1 Ω.
Less than 1 Ω.
40 Ω.
Infinite resistance. If not, replace
transformer.
Primary /
Logic
Secondary
Monitor
Interlock switch
assembly
Disconnect wires to switch.
With door open measure resistance from:
Terminal C to NC Monitor .........................
Terminal C to NO Primary .........................
Terminal C to NO Logic ............................
Terminal C to NO Secondary ....................
With door closed measure resistance from:
Terminal C to NC Monitor .........................
Terminal C to NO Primary .........................
Terminal C to NO Logic ............................
Terminal C to NO Secondary ....................
Door Closed
Primary / Logic
C
NC
NO
C
C
NO
Secondary
Monitor
Continuity.
Infinite.
Infinite.
Infinite.
Infinite.
Continuity.
Continuity.
Continuity.
Touch Panel
Assembly
Continuity is indicated as 100 Ω and below.
Pin 1: Ground.
1
2
3
4
5
6
7
8
9
Split
10
Pad
1
2
3
4
5
6
7
8
9
0
Start
Stop/Reset
Power Level
X 2
Time Entry
Trace
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