Troubleshooting, Note – Sharp R270SLM User Manual

Page 25

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TROUBLESHOOTING

5^

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. Select HIGH and programme the
oven to cook for I minute.

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?
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 chart below.

NOTE:
If you cook food for more than the standard time
(see chart below) using the same cooking mode, the

oven’s safety mechanisms automatically activate.The

microwave power level will be reduced.

Cooking Mode

Standard Time

Microwave HIGH cooking

20 Minutes

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.

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 and the potatoes have been pierced, place

directly onto the turntable or in a heat resistant flan 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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