Whirlpool MH1170XSB Use and Care Guide - Page 17

TROUBLESHOOTING Try the solutions suggested here first in order to avoid the cost of an unnecessary service call. Nothing will operate Has a household fuse blown, or has the circuit breaker tripped? Replace the fuse or reset the circuit breaker. If the problem continues, call an electrician. • Is the appliance wired properly? See Installation Instructions provided with your microwave oven. Oven will not operate • Is the door completely closed? Firmly close door. • Is a spacer (on some models) attached to the inside of the door? Remove spacer, then firmly close door. • Is the electronic oven control set correctly? See "Microwave Oven Control" section. • On some models, is the Control Lock set? See "Control Lock" section. • On some models, is the Demo Mode activated? See "Dome Mode" section. • Is the magnetron working properly? Try to heat 1 cup (250 mL) of cold water for 2 minutes at 100% cooking power. If water does not heat, call for service. See "Assistance or Service" section. Oven makes humming noise • This is normal and occurs when the power supply switches the magnetron on and off. Oven door looks wavy • This is normal and will not affect performance. Turntable will not operate • Has the tape been removed from turntable hub? See "Turntable" section. Is the turntable properly in place? Make sure turntable is correct side up and is sitting securely on the turntable support. Is the turntable support operating properly? Remove turntable. Remove and clean turntable support and rollers. Replace turntable support. Replace turntable. Place 1 cup (250 mL) of water on the turntable, then restart microwave oven. If it still is not working, call for service. See "Assistance or Service" section. Do not operate the microwave oven without turntable and turntable support working properly. Turntable alternates rotation directions • This is normal and depends on motor rotation at the beginning of the cycle. Display shows messages Is the display showing ":"? There has been a power failure or the clock time has been turned off. See "Display" section to clear display. See "Clock" section to reset the clock or to turn it on. • Is the display showing a letter followed by a number? See "Display" section to clear. If it reappears, call for service. See "Assistance or Service" section. Display shows time countdown, but is not operating • Is the Timer in use? See "Timer" section. • On some models, is the Demo Mode in use? See "Dome Mode" section. 17