Kuppersberg HMWZ 969 B [66/112] Microwave oven cleaning and maintenance

Kuppersberg HMWZ 969 B [66/112] Microwave oven cleaning and maintenance
66
TECHNICAL PASSPORT ENGLISH
Microwaves
66
TECHNICAL PASSPORT ENGLISH
Microwaves
MICROWAVE OVEN
CLEANING AND
MAINTENANCE
Oven Chamber Ceiling
If the chamber ceiling is badly
fouled, the grill heating element can be
pulled down.
To avoid burns, wait until the
heating element cools down completely.
Pull down the grill as follows:
1. Turn the lock pin by 90° (1).
2. Gently pull down the grill
(2). Do not apply any force, as this can
damage the oven.
3. After you have cleaned the
ceiling, install the heating element in
place (2) in the same way as you pulled
it down.
Always keep the mica cover (3)
located at the chamber ceiling clean.
Remnants of food at the cover can cause
damage or sparking.
Do not use abrasive cleaning
agents or sharp objects.
To avoid risk, do not remove the
mica cover.
The lamp cover (4) is located at
the chamber ceiling and can be easily
removed for cleaning. You need to
unscrew the cover and wash it with
water and a dishwashing detergent.
Hardware
Clean the hardware after each use.
If the accessories are badly fouled,  rst
soak them in water, then clean with a
brush and a sponge. Hardware can be
washed in a dish washer.
Keep the turntable tray and drive
constantly clean. Make sure that the
tray and the drive are in their place
before turning the microwave oven on.
TROUBLESHOOTING
WARNING! Repairs must be
performed only by quali ed technicians.
Repairs performed by any person
unauthorized by the manufacturer are
dangerous.
You do not need to refer to the
service center in the following cases, as
you can identify the cause of a problem
by yourself:
 The display is out of service!
Check that:
B The clock indication is not
hidden (refer to Main Functions and
Modes. Hide/Show Clock).
 Nothing happens when I touch
the controls! Check that:
B The safety interlock is not
activated, (refer to Main Functions and
Modes. Safety Interlock).
 The microwave oven is out of
service! Check that:
B The oven connecting cable is
properly plugged into the outlet.
67
ENGLISH TECHNICAL PASSPORT
Microwaves
B The oven is on.
B The door is securely closed.
You should hear a click when you close
the door.
B There is no object stuck
between the door and the end part of
the oven.
 A strange noise are heard in the
process of operation! Check that:
B There is no sparking in the
oven caused by metal objects (refer to
Suitable Cookware and Dinnerware).
B The cookware or dinnerware
are not in contact with the chamber
walls.
B There are no atware or
utensils left in the oven.
 Products are not heated or
extremely slowly heated! Check that:
B You have not by accident used
metal cookware or dinnerware.
B You have set the required
duration and power for cooking.
B You have not placed a larger
quantity of products, or products colder
than usually.
 The products are extremely hot,
overdried or burnt! Check that you
have set correct duration and power for
cooking
 Some noise is heard upon
completion of the cooking process!
It is not a problem. The cooling fan
continues working for some time. When
the temperature is low enough, the fan
will shut down automatically
 The microwave oven turns on,
but the illumination lamp is not on!
If all functions of the oven work
normally, it means that the lamp may be
blown. You can continue using the oven.
Lamp Replacement
To replace the lamp, perform the
following steps:
B Disconnect the oven from
power supply. Unplug the connecting
cable from the outlet and switch off the
circuit breaker.
B Unscrew and remove the
lamp cover (1).
B Remove the halogen lamp (2).
Warning! The lamp may be extremely
hot.
B Install new halogen lamp 12 V
/ 10 W. Warning! Do not touch the halogen
lamp surface, as you can damage it. Follow
the lamp manufacturer’s instructions.
B Screw the cover in place (1).
B Reconnect the oven to power
supply.

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