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Maytag RFS9B Service

Download Service of Maytag 1324704M Microwave Oven for Free or View it Online on All-Guides.com. This version of Maytag 1324704M Manual compatible with such list of devices, as: P1140411M, P1327705M, P1327711M, P1327712M, RFS9B

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20 16021520 Rev. 0 ©2002 Maytag Appliances Company
Troubleshooting Guide
NOTE: When taking voltage measurements to the transformer the 120 V supply leads must be connected to the
transformer terminals. The Voltage reading should then be taken with the voltmeter leads also connected to
these terminals.
Condition Possible Causes
4. Oven light, triac, timer, and blower motor
operate. Oven does not cook. No voltage
at power transformer primary leads (120V).
See NOTE.
Caution: All other transformer leads are
high voltage.
Failed wiring and/or terminal.
Inoperative interlock switch assembly.
Inoperative P.C. Board.
5. Same condition as # 4, but voltage is
available at power transformer primary
(120 VAC). See
NOTE
.
Failed terminal and/or wiring in high voltage section.
Failed H.V. transformer.
Failed diode.
Failed capacitor.
Failed magnetron.
6. All oven components operate, unit cooks
slowly, all modes.
1. Run Oven Performance Tests, if okay, customer
education.
2. Check voltage at outlet, if low, customer education.
3. Check amperes and/or wattage, compare to
Specification Sheet (refer to Technical Sheet).
4. Check tray and seal. If food debris has accumulated
under ceramic tray, this debris will absorb microwave
energy and affect performance test results.
5. If above checks are acceptable, replace tube.
7. Oven cooks food unevenly.
Customer is not following cookbook instructions,
customer education.
Rotating antenna not turning, check mounting parts for
grease or burrs. This may also indicate incorrect air flow
due to foam gasket out of place, failed blower motor,
failed blower wheel or interference with splatter shield.
NOTE: The antenna will not rotate when the splatter
shield or outer case are removed.
8. Control will not accept input.
Check wiring to interlock and the interlock switch
contacts.
Inoperative keyboard.
Inoperative p.c. board.
9. Unit thumps at reduced power levels.
Control triac is misfiring, replace p.c. board.