Maytag AMC4080AAB/W/Q/S, Руководство по обслуживанию

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Testing Procedures
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to oven and discharge the high voltage
capacitor before servicing, unless testing requires power.
©2004 Maytag Services
16022923 Rev. 0 15
Illustration Component Test Procedure Results
Thermal cutout
Model AMC4080AA*,
MMC5080AA*,
MMC5193AA* Disconnect all wires from TCO.
Measure resistance across terminals.
Magnetron TCO .......................................
Open at 194
°
F (90
°
C) and closed at
140
°
F (60
°
C)
Thermal cutout
Model AMC5101AA*:
Disconnect all wires from TCO.
Measure resistance across terminals.
Magnetron TCO .......................................
Open at 185
°
F (85
°
C) and closed at
167
°
F (75
°
C)
Thermal cutout
Model AMC5143AA*:
Disconnect all wires from TCO.
Measure resistance across terminals.
Magnetron TCO .......................................
Open at 302
°
F (150
°
C) and closed at
140
°
F (60
°
C)
Thermal cutout
Model AMC5143AA*
Disconnect all wires from TCO.
Measure resistance across terminals.
Cavity TCO ..............................................
Open at 212
°
F (100
°
C) and closed at
32
°
F (0
°
C)
Lamp receptacle Test continuity of receptacle terminals. Indicates continuity if bulb is good and
screwed in.
Fan motor
Models AMC4080AA*,
MMC5080AA*,
AMC5101AA* Remove all wires from motor.
Measure resistance across coil.................
Approximately 48
Ω
(77
°
F, 25
°
C)
Less than 44
Ω
or more than 54
Ω
(70
°
F, 20
°
C), motor is defective.
Fan motor
Models AMC5143AA*,
MMC5193AA* Remove all wires from motor.
Measure resistance across coil.................
Approximately 46
Ω
(70
°
F, 20
°
C)
Less than 42
Ω
or more than 50
Ω
(70
°
F, 20
°
C), motor is defective.
Auto Cook Test
(Sensor Only)
Models AMC5143AA*
and MMC5193AA* Place 1/3 cup water in oven, then press
POPCORN. After 1-2 minutes, unit beeps and
display counts down.
Press CLEAR/OFF. If test fails,
continue with Sensor Test.
Sensor Test
Models AMC5143AA*
and MMC5193AA* Press SENSOR REHEAT and AUTO
DEFROST at the same time. Numbers displayed at Touch Pad:
15-185 is normal.
185 or higher, sensor open.
15 or lower, sensor shorted.
Turntable Drive Motor Measure across terminals Voltage: Approximately 20 VAC
Resistance: Approximately 165
Ω
Refer to Parts Manual
for proper power cord
part number. Power cord Measure resistance of wires. Continuity should be indicated on each
wire.
Verify polarity and grounding.