R-272 (serv.man2) - Sharp Home Appliance User Guide / Operation Manual. Page 19

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ENGLISH
GB-18
 TROUBLESHOOTING
WARNING: Never adjust, repair or modify the oven 
yourself. It is hazardous for anyone other than 
a SHARP trained engineer to carry out servicing 
or repairs. This is important as it may involve the 
removal of covers that provide protection against 
microwave energy.
•  The door seal stops microwave leakage during oven 
operation, but does not form an airtight seal. It is 
normal to see drops of water, light or feel warm air 
around the oven door. Food with a high moisture 
content will release steam and cause condensation 
inside the door which may drip from the oven.
•  Repairs and Modifications: Do not attempt to 
operate the oven if it is not working properly.
•  Outer Cabinet & Lamp Access: Never remove the 
outer cabinet. This is very dangerous due to high 
voltage parts inside which must never be touched, 
as this could be fatal.
 
Your oven is not fitted with a lamp access cover. If 
the lamp fails, do not attempt to replace the lamp 
yourself, call a SHARP approved service facility.
Keep the power supply cord away from heated 
surface. If you think the oven is not working properly 
there are some simple checks you can carry out 
yourself before calling an engineer. This will help 
prevent unnecessary service calls if the fault is 
something simple.
Follow this simple check below: Place half a cup of 
water on the turntable and close the door. Programme 
the oven to cook for I minute using 100% microwave 
power.
1.  Does the oven lamp come on when it is cooking?
2.  Does the turntable rotate?
3.  Does the cooling fan work? (Check by placing your 
hand above the air vent openings.)
4.  After I minute does the audible signal sound?
5.  Is the water in the cup hot?
6.  After 3 minutes, does the grill heating element 
become red?
If you answer "NO" to any question first check that 
the oven is plugged in properly and the fuse has not 
blown. If there is no fault with either, check against 
the troubleshooting chart below.
TROUBLESHOOTING CHART
QUERY
ANSWER
Draught circulates 
around the door.
When the oven is working, air circulates within the cavity.
The door does not form an airtight seal so air may escape from the door.
Condensation forms 
in the oven, and may 
drip from the door.
The oven cavity will normally be colder than the food being cooked, and so steam 
produced when cooking will condense on the colder surface. The amount of steam 
produced depends on the water content of the food being cooked. Some foods, such 
as potatoes have a high moisture content. Condensation trapped in the door glass 
should clear after a few hours.
Flashing or arcing 
from within the 
cavity when cooking.
Arcing will occur when a metallic object comes into close proximity to the oven cavity 
during cooking. This may possibly roughen the surface of the cavity, but would not 
otherwise damage the oven.
Arcing potatoes.
Ensure all "eyes" are removed from the potatoes and that they have been pierced, place 
directly onto the turntable or in a heat resistant fl an dish or similar.
The display is lit but 
the control panel 
will not work when 
pressed.
Check the door is closed properly.
Oven cooks too 
slowly.
Ensure correct power level has been selected.
Oven makes a noise.
The microwave energy pulses ON and OFF during cooking/defrosting.
Outer cabinet is hot.
The cabinet may become warm to the touch - keep children away.
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