Maytag UMV1152CA 用户手册
Testing Procedures
!
WARNING
To avoid risk of electrical shock, personal injury or death; disconnect power to microwave oven and discharge the
high voltage capacitor before servicing, unless testing requires power.
high voltage capacitor before servicing, unless testing requires power.
16 16027303
© 2006 Maytag Services
Illustration Component
Test
Procedure
Results
Ventilation Motor
JMV8166BA*, AMV6167BD*
JMV8166BA*, AMV6167BD*
Discharge Capacitor
Remove two wires to run capacitor and
measure resistance across the wires ...........
Remove two wires to run capacitor and
measure resistance across the wires ...........
Approx. 75 Ω. (Tests all 3 windings.)
Ventilation Motor
JMV9169BA*
JMV9169BA*
Discharge Capacitor
Remove two wires to run capacitor and
measure resistance across the wires ...........
Remove two wires to run capacitor and
measure resistance across the wires ...........
Approx. 25 Ω. (Tests all 3 windings.)
Vent Blower Motor (run)
Capacitor
Capacitor
Discharge Capacitor
Remove one wire from capacitor terminals
and connect ohmmeter. Set on highest
resistance scale.
Remove one wire from capacitor terminals
and connect ohmmeter. Set on highest
resistance scale.
Between Terminals:
Meter should
momentarily indicate several ohms,
then return to infinity (deflection). If
no deflection occurs, or if continuous
deflection occurs, replace capacitor.
Terminal to Case:
then return to infinity (deflection). If
no deflection occurs, or if continuous
deflection occurs, replace capacitor.
Terminal to Case:
Infinite resistance.
Cavity (Flame Sensor)
Thermal Cut-Out
(Thermostat)
Thermal Cut-Out
(Thermostat)
Disconnect all wires from TCO.
Measure resistance across terminals ..........
Measure resistance across terminals ..........
Non–resetable.
Open:
Open:
..... 212° F (100° C).
Cavity (Flame Sensor)
Thermal Cut-Out
(Thermostat)
Thermal Cut-Out
(Thermostat)
Disconnect all wires from TCO.
Measure resistance across terminals ...........
Measure resistance across terminals ...........
Resetable.
Open:
Open:
..... 302° F (150° C).
Closed:
.. 140° F (60° C).
Cavity (Flame Sensor)
Thermal Cut-Out
(Thermostat)
Thermal Cut-Out
(Thermostat)
Disconnect all wires from TCO.
Measure resistance across terminals ..........
Measure resistance across terminals ..........
Non–resetable.
Open:
Open:
..... 248° F (120° C).
Magnetron Thermal Cut-Out
(Thermostat)
(Thermostat)
Disconnect all wires from TCO.
Measure resistance across terminals. ..........
Measure resistance across terminals. ..........
Resetable.
Open:
Open:
..... 302° F (150° C).
Closed:
.. 140° F (60° C).
Hood Thermal Cut-Out
(Thermostat)
(Thermostat)
Disconnect all wires from TCO.
Measure resistance across terminals ...........
NOTE:
Measure resistance across terminals ...........
NOTE:
This TCO only works in an
overheat condition. Otherwise, it will
measure "open" when testing.
measure "open" when testing.
Resetable.
Open:
Open:
..... 158° F (70° C). Vent fan
engaged.
Closed:
Closed:
.. 104° F (40° C). Vent fan
disengaged.
Bottom Thermal Cut-Out
(Thermostat)
(Thermostat)
Disconnect all wires from TCO.
Measure resistance across terminals. ..........
Measure resistance across terminals. ..........
Non–resetable.
Open:
Open:
..... 248° F (120° C).
Sensor
Remove the red and black wires, connect
meter to red and black wires and measure
continuity......................................................
NOTE:
meter to red and black wires and measure
continuity......................................................
NOTE:
Do not connect the meter to the
white and orange wires, as this may
damage the sensor.
damage the sensor.
30 Ω.
Control Panel Sensor Test
Illustration Component
Test
Procedure
Results
Sensor Test
Apply power to microwave for 5 minutes.
Press AUTO DEFROST and REHEAT
pads simultaneously and monitor display
for V-Out value .............................................
NOTE:
Press AUTO DEFROST and REHEAT
pads simultaneously and monitor display
for V-Out value .............................................
NOTE:
Press AUTO DEFROST and
POPCORN
pads for model AMV6167BD*.
Less than 6 .......... Sensor failure.
15 to 185.............. Normal.
More than 213...... Sensor failure.
1
2
2
3
Sensor Test
AMV5164B**,
MMV5165BA*
AMV5164B**,
MMV5165BA*
Apply power to microwave for 5 minutes.
Press AUTO DEFROST and REHEAT
pads simultaneously and monitor display
for V-Out value .............................................
Press AUTO DEFROST and REHEAT
pads simultaneously and monitor display
for V-Out value .............................................
Less than 10 .......... Sensor failure.
10 to 150................ Normal.
More than 150........ Sensor failure.