Troubleshooting Questions related to Cooking, Heating and Programing operation.

Does not cook evenly.

This may be due to inconsistent intensity of microwave by it's characteristics. 

1. Place thin parts of the food toward the center of the dish and thick pieces toward the edge.
   • Thin pieces cook more quickly than thick pieces.
   • For more cooking Tips refer to How to defrosting tips, cooking tips and techniques.
2. Use plastic wrap or lid.
3. Stir once or twice while cooking soup, cocoa or milk, etc.

Steaming performance is not operating effectively.

The microwave steam feature requires regular maintenance to maintain steam performance.

he system cleaning program is to be used regularly, to prevent the pipe from getting blocked and reduce your steaming performance.

See How to care and clean the Oven.

This answer is for most steam combination models.

The timer does not start countdown.

This indicates a problem with the microwave oven operation. Stop use of the Microwave oven.

Follow the Warranty repair information provided in your Operating Instrctions or refer to the Warranty guide for MWO ovens..

The display shows a different number or operation than the one touched.

1. Unplug the microwave from the power outlet and replug it back in after 1 minute.
2. Press a number or another operation.
   • If the display continues to show a different operation then the one pressed, please Follow the Warranty repair information provided in your Operating Instrctions or refer to the Warranty guide for MWO ovens..

The kitchen timer is not working.

The Microwave has an energy saving mode that switches the microwave to a standby mode when there has not been any microwave operation or programming for 6 minutes.  After 6 minutes the display window backlight will go dark and operation of icons (except for fan, auto off and light) are not accessible. In this "stand-by state the Microwave uses less than 1 watt of power.  To "wake up" the microwave, the door of the microwave must be opened and closed.

This Answer is for the following models NN-SE284, NN-ST27 and it may apply to other models.

No beep sound

1. Confirm Beep setting is set to "On". see How to select the functions and settings for the initial set of the microwave oven.
2. If it is set to "On" and there is still no Beep sound this indicates there is a problem with the microwave oven operation. Stop use of the Microwave oven.

Follow the Warranty repair information provided in your Operating Instrctions or refer to the Warranty guide for MWO ovens..

This answer is for the following models; NN-GT69KS, NN-SN65KB, NN-SN65KW, NN-SN66KB, NN-SN67KS, NN-SN68KS, NN-SN97JS, NN-ST66KB, NN-ST66KW, NN-ST67KS, NN-ST69KS, NN-ST99JS, NN-ST96JS and it may apply to other models.

The display is frozen and can not accept any input.

1. Unplug the microwave from the power outlet and replug it back in after 1 minute.
2. Press a number or another operation.
   • If the display continues to show a different operation then the one pressed, Follow the Warranty repair information provided in your Operating Instrctions or refer to the Warranty guide for MWO ovens..

Auto defrost will not start when 1 or 2 is entered as the weight.

When using Auto defrost, the item to be defrosted needs to weigh a minimum of .3 tenths of a pound.  (keypad entry 3).

When the oven is set to lbs, the Auto Defrost will not start with only 0.1 or 0.2lbs. (keypad entry 1 or 2), because it is too small an amount of food. It will work normally starting at 0.3lbs.  (keypad entry 3).

Example - When using Auto Defrost enter the weight of the food in pounds (1.0) and tenths of a pound (0.1). If a piece of meat weighs 1.95 lbs or 1 lb 14 oz, enter 1.9 lbs.

Note:

There are no restrictions when the scale is set to kg.

Refer to FAQ How to use Auto Defrost

This FAQ is for the following models; NN-SG616B; NN-SG626; NN-SG636; NN-SG656; NN-SG676

• Is the USB charging cord connected firmly to the USB terminal of the computer?
• Have the earphones been put into the charging cradle correctly?
• If the charging cradle LED (cyan) does not flash even after putting the earphones into the charging cradle, then there is no charge remaining in the charging cradle battery. First charge the charging cradle.
• Make sure to charge in a room temperature between 10 °C and 35 °C (50 °F to 95 °F).
• Make sure the computer is turned on and is not on standby or sleep mode.
• Is the USB port you are currently using working properly? If your computer has other USB ports, unplug the connector from its current port and plug it into one of the other ports.
• If the measures mentioned above are not applicable, unplug the USB charging cord and plug it in again.
• Is the unit already fully charged? If you are trying to charge and the charging cradle LED goes out soon after starting, then the charging cradle is fully charged. If the charging cradle LED (cyan) does not blink with the earphones in the charging cradle when the lid of the charging cradle is opened, then the earphones are fully charged.
• If the charging time and operating time get shorter, the batteries in the earphones and charging cradle may be getting depleted. (Charging cycles for built-in batteries: about 500 times each).

This answer is for the following models; NN-SG428, NN-SG458, NN-SG616B, NN-SG626, NN-SG636S, NN-SG636W, NN-SG656S, NN-SG676 and it may apply to other models.

The microwave only operates with cooking power level 10 (P-HI) mode.

1. Unplug and replug the microwave directly into another dedicated power outlet.
   • If the microwave oven continues to only operate with cooking power level 10 (P-HI) or (HIGH), this indicates a problem with the microwave oven operation. Stop use of the Microwave oven.
   • Follow the Warranty repair information provided in your Operating Instrctions or refer to the Warranty guide for MWO ovens..

This answer is for the following models; NN-SG138S, NN-SD69LS, NN-SD68LS, NN-SU65LS, NN-SU66LS and it may apply to other models.

The oven does not respond to any kepad operations.

If a pad is pressed and no beep is heard, the unit did not or cannot accept the instruction. Refer to your Operating Instrctions for proper programing operation. When operating, the oven will beep twice between programmed stages. At the end of any complete program, the oven will beep 5 times.

Notes: If no operation after cooking program setting,  6 minutes later, the oven will automatically cancel the cooking program. The display will return to clock or colon display.

If the oven does not respond to any of these operations this indicates there is a problem with the microwave oven keypad operation. Stop use of the Microwave oven.

Follow the Warranty repair information provided in your Operating Instrctions or refer to the Warranty guide for MWO ovens..

The microwave oven takes longer time to cook food. The heat level seems low.

1. Disconnect the power cord and connect it to another dedicated operational outlet.
   • If the heat continues to be low and the microwave oven is still taking longer to cook food, this indicates there is a problem with the microwave oven operation. Stop use of the Microwave oven.
   • Refer to the warranty of your model for product repair/exchange information. If an authorized Panasonic repair centre is to be contacted see Panasonic Service Locator" for an authorized Panasonic service center.

This answer is for the following models; NN-CD87KS, NN-SB55, NN-SC668S, NN-SD68, NN-SD69, NN-SC73LS, NN-SG448S, NN-GT69KS, NN-SN65KB, , NN-SN65KW, NN-SN66KB, NN-SN67KS, NN-SN97JS, NN-ST66KB, NN-ST66KW, NN-ST69KS, NN-SU65, NN-SU66, NN-ST96JS, NN-ST99JS,