Power Test (Traditional Test Method); Traditional Power Test Temperature Chart; Maytag Services - Maytag UMV1152CA Manual

Testing Procedures
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.

Power Test (Traditional Test Method)

Test equipment required is Amana power test kit R0157397 (Fahrenheit), or
Menumaster power test kit M95D5 (Celsius).
1. Fill the plastic container to the 1000 ml. line with cool tap water.
2. Using the thermometer; stir the water, measure, and record the water temperature.
Initial water temperature should be approximately 60° F (16° C).
3. Place container on the center of the oven shelf and heat the water for
33 seconds for ovens with more than 1550 watts or 63 seconds for ovens with less than 1550 watts.
Use a watch second hand, not the oven timer.
NOTE:
4. Stir the water, measure and record the temperature of the water after heating time is complete.
5. Subtract the starting water temperature (Step 2), from the ending water temperature (Step 4) to obtain the
temperature rise (∆T).
6. See the Traditional Power Test Temperature Chart below.
NOTES: • The IEC-705 test method requires precision measurements and equipment. It is not practical to
perform the IEC test in the field. To convert the traditional power test results to the approximate IEC-
705 rating, take the traditional power test results and add 100 watts per magnetron for the unit being
tested.
Example:
+ 100
• Always perform power test three times for accuracy, changing the water after each test is performed.
• Variation or errors in the test procedure will cause a variance in the temperature rise. Additional power
tests should be made if temperature rise appears marginal.
• Low line voltage will cause lower temperature rise.
SIXTY-THREE (63) SECONDS run time chart for units less than 1550 watts cooking power
Fahrenheit
∆T
Cooking
(° F) Power Output
16 620
17 659
18 697
19 736
20 775
21 814
22 852
© 2006 Maytag Services
!
850 watts output using the traditional power test
watts (1 magnetron X 100 watts)
950 Approximate IEC-705 results

Traditional Power Test Temperature Chart

∆T
Cooking
(° F) Power Output
23 891
24 930
25 969
26 1007
27 1046
28 1085
29 1124
WARNING
∆T
Cooking
(° C) Power Output
7 490
8 560
9 630
10 700
11 770
12 840
13 910
14 980
16027303
Celsius
∆T
Cooking
(° C) Power Output
15 1050
16 1120
17 1190
18 1260
19 1330
20 1400
21 1470
22 1540
17