Maytag UMV1152BAB/W/Q/S Service page 21

Testing Procedures
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.
Illustration
Stirrer motor
MMV5165A**
Turntable Drive Motor
(Synchronous motor)
All Models
Ventilation Motor
UMV1152B**,
MMV1153A**,
AMV1162A**,
AMV5164A**
Ventilation Motor
AMV4204A**,
MMV4205A**
Ventilation Motor
MMV5165A**
Ventilation Motor
AMV5206A**,
MMV5207A**,
JMV8208A**
Sensor
1
2
3
AMV5164A**,
MMV5165A**,
AMV5206A**,
MMV5207A**,
JMV8208A**
Thermistor
All Models
Refer to Parts Manual Power cord
for proper power cord
part number.
©2004 Maytag Services
!
Component
Remove all wires from motor.
Measure resistance across coil.................
Measure voltage across terminals ............
Measure resistance across terminals........
Remove all wires
Measure resistance across terminals........
Remove all wires
Measure resistance across terminals........
Remove all wires
Measure resistance across terminals........
Remove all wires
Measure resistance across terminals........
Remove the 3-pin connector from the
circuit board.
Measure resistance across pins 1 & 2 ......
Measure resistance across pins 2 & 3 ......
Measure resistance across pins 1 & 3 ......
Remove connector from circuit board.
Measure resistance across pins 1 & 3 ......
Measure resistance of wires .....................
16023056 Rev. 0
W ARNING
Test Procedure Results
Approximately 120-135 Ω (70°F, 20°C)
Infinite Ω (70°F, 20°C), motor is
defective.
Approximately 120 VAC
Approximately 2-4 Ω
High Speed: Approximately 60-75 Ω
Low Speed: Approximately 110-125 Ω
High Speed: Approximately 49-69 Ω
Low Speed: Approximately 97-117 Ω
Approximately 50-70 Ω
Approximately 20-40 Ω
Approximately 6 k Ω (70°F, 20°C ±
35°F, 2°C)
Approximately 3 k Ω (70°F, 20°C ±
35°F, 2°C)
Approximately 3 k Ω (70°F, 20°C ±
35°F, 2°C)
Approximately 250-360 KΩ (70°F,
20°C ± 35°F, 2°C)
Continuity on each wire.
Verify polarity and grounding.
21