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.

Illustration

Component

Testing

Results

 

 

 

Thermal cutout

Disconnect all wires from TCO.

 

 

 

 

 

Measure resistance across terminals.

Closed at 32°F (0°C) and

 

 

 

 

Cavity TCO

 

 

 

 

Magnetron TCO

Opens at 230°F (110°C)

 

 

 

 

Closed at 140°F (60°C) and

 

 

 

 

 

Opens at 320°F (160°C)

 

 

 

Diode

Discharge Capacitor

Infinite resistance should be

 

 

 

 

 

measured in one direction and 50KΩ

 

 

 

 

Remove diode lead from capacitor and

or more in the opposite direction.

 

 

 

 

connect ohmmeter.

NOTE: Ohmmeter must contain a

 

 

 

 

Reverse leads for second test.

 

 

 

 

battery of 6 volts minimum.

 

 

 

Capacitor

Discharge Capacitor

 

 

 

 

 

Remove wires from capacitor terminals

Between Terminals: Meter should

 

 

 

 

and connect ohmmeter, set on highest

momentarily deflect towards zero

 

 

 

 

resistance scale to terminals.

then return to over 5 MΩ. If no

 

 

 

 

 

deflection occurs, or if continuous

 

 

 

 

 

deflection occurs, replace capacitor.

 

 

 

 

Also check between each terminal and

 

 

 

 

 

capacitor case.

Terminal to Case: Infinite resistance

 

 

 

Magnetron

Discharge Capacitor

Between Terminals: Less than 1 Ω

 

 

 

 

Remove wires from magnetron and

Each terminal to ground measures

 

 

 

 

connect ohmmeter to terminals. Also

Infinite resistance.

 

 

 

 

check between each terminal and

Note: This test is not conclusive. If

 

 

 

 

ground.

oven does not heat and all other

 

 

 

 

 

components test good replace the

 

 

 

 

 

magnetron and retest.

 

 

 

Blower motor

Remove all wires from motor.

 

 

 

 

 

Measure resistance across coil

Approximately 14 – 21 Ω

 

 

 

Stirrer motor

Remove all wires from motor.

 

 

 

 

 

Measure resistance across terminals ....

Approximately 3 – 3.5 KΩ

Secondary

 

Transformer

Discharge Capacitor

 

 

 

Remove all wires from terminals.

 

 

 

Filament

 

Measure resistance from:

 

 

 

 

 

Less than <1 Ω

Primary

 

 

 

Primary

 

 

 

Filament

Less than <1 Ω

 

 

 

 

 

 

 

 

Secondary to Ground screw on

 

 

 

 

 

transformer stack

Approximately 100 – 120 Ω

 

 

 

Noise filter board

Power In terminals

120 VAC

 

 

 

 

Power Out terminals

120 VAC

 

 

 

 

 

If no power in, check power outlet.

 

 

 

 

 

If no power out, check fuses.

 

 

 

6 minute timer

Remove leads from timer contact

If timer does not indicate readings

 

 

 

 

terminals.

below, replace timer.

 

 

 

 

Measure resistance of following

Infinite Ω

 

 

BELL

 

terminals:

Approximately <1 Ω

 

 

 

1 to 2⎯Timer in OFF position

Approximately 11 KΩ (timer motor)

4

3

2 1

 

 

⎯

 

 

 

 

1 to 2 Timer in ON position

 

 

 

 

 

3 to 4⎯Timer in OFF or ON position

 

20

16023293 Rev. 0

©2004 Maytag Services

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Maytag RFS, RCS10DA manual Testing Procedures
Page 19 Page 21

RFS, RCS, RCS10DA specifications

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In summary, the Maytag RCS10DA, RCS, and RFS series offer a suite of features and technologies that cater to the needs of today’s consumers. With innovations like the Twin Cooling System, PowerCold feature, adjustable shelving, and a commitment to durability and energy efficiency, these models are ideal choices for anyone looking to elevate their kitchen experience. Whether you require expansive storage or quick cooling solutions, Maytag provides reliable appliances designed to meet modern demands.
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