Service manual

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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 it.

20 RS2230003 Rev. 2

Illustration Component Testing Results

1

2

3

4

7

6

5

8

Terminal 1

−

Common

Terminal 2

−

230 V

Terminal 3

−

208 V

Transformer

# 4

#

1

#

3

#

2

#

5

#

6

# 7

#

8

1.0 F

-300 MA

-300 MA

1.0 F

CRC21T2, CRC18T2,

CRC18T2SD

FSC18VP

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

12

3

1.0

Ω

Less than 1

Ω

Less than 1

Ω

Less than 1

Ω

30

Ω

Infinite resistance should be

indicated, if not replace transformer.

1

2

4

7

6

5

8

Ground

Terminal 1

−

Common

Terminal 2

−

120 V

Transformer

# 4

#

1

#

2

# 5

# 6

# 7

#

8

1.0 F

1.0 F

-300 MA

-300 MA

CRC12T2, CRC12T,

FSC12VP

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

Red

12

Gray

Less than 1

Ω

Less than 1

Ω

Less than 1

Ω

40

Ω

Infinite resistance should be

indicated, if not replace transformer.

4

2

1

6

5

Terminal 1

−

120 V

Terminal 2

−

Common

Transformer

4

1

2

5

6

CRC10T2, CRC10T,

FSC10VP

Discharge Capacitor

Remove all wires from terminals, and

measure resistance from:

Terminal 1 to 2

Terminal 5 to 6

Terminal 4 to Ground screw on transformer

Terminal 4 to any other terminal

Red

12

Gray

Less than 1

Ω

Less than 1

Ω

78

Ω

Infinite resistance should be

indicated, if not replace transformer.

Monitor

Primary

Logic

Secondary

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

C

C

C

C

NC

NO

NO

NO

Primary

Secondary

Monitor

Logic

Indicates continuity

Infinite

Infinite

Infinite

Infinite

Indicates continuity

Indicates continuity

Indicates continuity

* NOTE:

The two lower switches on the switch assembly (logic and secondary) may be reversed. Both switch

configurations are acceptable.