63
Check the following before calling for service center.
Effect Reason(Measure)
Spark occurs during cooking.
・Did you use the square tray? Do not use square tray inside microwave.
・Did you use metal container or grill for microwave recipes?
・Metal skewers, containers or metal objects etc may cause spark.
・Is the oven dirty? Radio waves tend to converge on the dirt and cause spark.
The temperature in the oven is not the 
same as set temperature.
・ Temperature is measured at the centre of the oven chamber using a 
thermoelectric thermometer in the empty state.(JIS measurement method is 
used) The temperature may not match if measured with commercially available 
thermometers with the food or accessories placed inside the oven. For cooking, 
consider the temperature given in the separate cuisine booklet as the standard.
In some cases, we cannot set the value 
over 260℃
・To protect the electrical components when the oven chamber is hot. 
Temperatures cannot be set above 260℃ for oven. Temperatures cannot 
be set above 300℃ for superheated steam and hybrid.
There may be insufficient heating of 
the food with microwave heating.
・ The output may be reduced when the quantity of food is insufficient to 
protect the appliance. This is not a malfunction.
Effect Reason(Measure)
Microwave does not work.
・Is the power supply ON?
・Is the power plug disconnected?
・Check if the circuit breaker or fuse power is off.
・ Did you open or close the door during cooking and forgot to press [START] Button?
・Did you perform any key operation while the power supply is off?
(If the door is opened, power will be supplied and 「0」 is displayed)
Oven does not heat up on pressing
[REHEAT] button.
・ Is the [DOOR] display ON? If the start key is pressed 1 min after the oven 
closes, heating will not take place.
(Open and close the door again and press the key.)
Oven does not heat up on pressing 
[REHEAT] butto
n
.
・ Is the [HIGH TEMP] display ON?
(If the oven temperature is pressing the high, heating may not start in start 
key certain menu operation. Open the door, allow the oven to cool, wait 
for [HIGH TEMP] disappear and press the key.)
・ Check if demo mode is ON? Refer page 61 for [demo] display instructions.
If [START] is pressed after selecting  
[BEVERAGE] [BOILED VEGETABLE] 
[DEFROST] [STEAM REHEAT], heating 
does not begin.
Buzzer does not work
・Check if the buzzer function is set to cancel mode?
Refer Buzzer sound settings in (page 51)to change the buzzer settings.
Cooking does yield desirable results.
・Did you follow the instructions properly? (Check instruction guidelines 
for the usage of lid, wrap and oven accessories)
・Did you start cooking when the oven was hot?(Wait for the oven to cool.)
・Did you use the appropriate food quantity?
・Is the top part or bottom part of the oven dirty?
・Did you select the right menu before cooking?
・IF FOOD IS NOT AS DESIRED, refer (page 57~60) for guidelines.
[Start] button does not operate 
sometimes.
Touch menu key and manual cooking key 
are not functioning.
・Close the oven door, wait for sometime and then start. (Sometimes the oven 
does not start immediately after door close to prevent any malfunction.)
・Will not function if you touch using nails. Touch the key with fingers.
・Is there a band aid etc on the finger?
   Operate directly so that the finger comes in contact with the key.
Circuit breaker has tripped
・ Are the electrical appliances used exceeding the household electric 
capacity (Contracted capacity A with the power company)?
  Switch OFF the power supply of other electrical appliances that are not   
  required. Switch on the circuit breaker and reuse the oven.
Notice
Troubleshooting