ACP MDC12A2 Informações técnicas - Página 3
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Imprimir páginaComponent 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 1120 V
Terminal 2Common
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
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