ACP P2003102M Informations techniques - Page 3

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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.
Illustration
Transformer
Terminal 1120 V
Terminal 2Common
Interlock switch
assembly
Primary /
Logic
Monitor
Secondary
Touch Panel
Assembly
July 2012
©2012 ACP, Inc.
Component
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 ......................
Disconnect wires to switch.
With door open measure resistance from:
Terminal C to NC
Terminal C to NO
Terminal C to NO
Terminal C to NO
With door closed measure resistance from:
Terminal C to NC
Terminal C to NO
Terminal C to NO
Terminal C to NO
Primary / Logic C
Monitor
Secondary
Continuity is indicated as 100 Ω and below.
Pin 1: Ground.
Testing
Monitor .........................
Primary .........................
Logic ............................
Secondary ....................
Monitor .........................
Primary .........................
Logic ............................
Secondary ....................
Door Closed
NO
C
NC
C
NO
10
9
8
7
6
5
Split
4
3
2
1
3
Results
Less than 1 Ω.
Less than 1 Ω.
Less than 1 Ω.
40 Ω.
Infinite resistance. If not, replace
transformer.
Continuity.
Infinite.
Infinite.
Infinite.
Infinite.
Continuity.
Continuity.
Continuity.
Pad
Trace
Measurement
1
8 & 10
Continuity
2
7 & 10
Continuity
3
6 & 10
Continuity
4
5 & 10
Continuity
5
4 & 10
Continuity
6
3 & 10
Continuity
7
8 & 9
Continuity
8
7 & 9
Continuity
9
6 & 9
Continuity
0
5 & 9
Continuity
Start
4 & 9
Continuity
Stop/Reset
4 & 8
Continuity
Power Level
5 & 8
Continuity
X 2
6 & 8
Continuity
Time Entry
7 & 8
Continuity
16500038