Frost And/Or Dew Occur; Refrigerator Cools Overly; Door Is Not In A Horizontal State; Abnormal Operating Sound Is Generated - Hitachi R-SF8800B Manual

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When this happens

Frost and/or dew occur

Frost and/or dew adhere
● The door or the drawer compartment may not be closed completely.
→ Check whether the drawer compartment or the door has been closed completely after closing them.
to the refrigerator interior
● The door may be opened/closed frequently or door may remain open for a long time.
or the frame of the
→ Reduce frequency of opening and closing the door or open/close the door quickly.
drawer compartment.
● A lower setting of the condensation prevention heater may cause dew condensation in the swing partition, door packing, or a door itself when humidity is high.
● Dew may adhere to the those parts when the indoor humidity is high (ex: rainy day).
Dew adheres to the outside of the
● Frost and/or dew may adhere to the refrigerator interior or the door frame when the warm air outside comes in
refrigerator (exterior, door seal,
door and drawer compartment etc).
→ Wipe off with a dry cloth.
● Condensation may form on the wall and/or around the cold air blowout port
Dew condensation
occurs in the Refrigerator
Compartment
→ Wipe the dew off with a dry cloth.
● The humidity in the Vegetable Compartment is higher than other compartments. (To prevent vegetables from
Dew condensation
occurs in the Vegetable
→ If it is undesirable that dew adheres to the stored vegetables, wrap them with the plastic fi lm.
● Water may drop into cases placed in the Vegetable Compartment due to dew concentration.
Compartment
→ Wipe off them with a dry cloth.

Refrigerator cools overly

● 強 (MAX) is selected in the temperature setting. → Switch it to 中 (MID) .
Refrigerator cools
● The surrounding temperature is lower than 5˚C. → When the ambient temperature is low, the inside of the
overly Food freeze
● Do not place any food in front of the cold air blowout port.

Door is not in a horizontal state

● The installation site may not be level. Left side or right side of the door may be slightly lower when the left or
Door is not in a
→ This does not affect the refrigerator performance. Adjust the refrigerator adjustable mount to keep it level if
horizontal state
→ Lay the fi rm board which has more than 1cm thickness on the fl oor if the refrigerator itself inclines.
More force is required to
● It is because air entered the Refrigerator Compartment is rapidly cooled and the pressure in the Refrigerator
open the door immediately
after closing the door.
Another door opens
● Another door may open for a moment by the wind pressure because cool air path connects each compartment.
after closing one door.
AUTO DOOR Compartment does not open/close correctly

Abnormal operating sound is generated

● The refrigerator may not be installed properly.
Floor bends
Annoying sound is
Refrigerator comes in contact with the wall or furniture, etc.
generated by the
Leg cover comes off
refrigerator.
● You may feel that the operation sound is large because the compressor operates in high-speed under the following conditions: the refrigerator
→ The sound becomes small after cooling fully.
Operation sound lasts long
● It is because the compressor operates in low-speed for conserving energy.
Operation sound
● It is because the system changes the operating power of the refrigerator according to the temperature change.
sometimes becomes larger
● The following sounds are generated when the refrigerator is operating normally, so they do not indicate any trouble.
・ Sound like water fl owing (trickling)
・ Sound like collision (tapping)
・ Sound like water boiling (bubbling up)
・ Sound like meat roasting (sizzling)
When other sound
・ Sound like squeaking (cracking)
such as shown in
・ Sound like something is caught (clacking)
the right table is
・ Sound like roaring (honking)
generated by the
・ Sound caused immediately after closing the door
refrigerator
・ Sounds caused by the Automatic ice maker
・ Sound occurred sometimes (clacking)

The refrigerator becomes hot

The side of the refrigerator
● Hot air may come from the bottom of the refrigerator to exhaust the heat generated when the cooling device operates.
becomes hot Hot air comes from
→ The temperature may rise to 50 – 60 ˚C immediately after installation or during summer.
the bottom of the refrigerator
contact with those parts.
when the door is opened and closed frequently or the humidity is high around
the refrigerator.
drying and to make them last longer)
refrigerator may cool overly. Switch the temperature setting to 弱 (MIN) .
right leg is sunk in the fl oor surface because of the soft fl oor material and the addition of food weight.
you want to correct it.
Pg.36
Compartment temporarily lowers.
Possible Cause
does not cool fully on the occasion such as using it for the fi rst time, opening/closing the door frequently, the surrounding temperature is high.
The compressor operates at low speed at night, for long vacations or absences, potentially developing large vibrations.
Type of sound
(knocking)
(booming)
(zooming)
(rattling)
(clunking)
It does not pose safety or performance problems, but avoid touching it.
Please check. This is the cause.
Pg.49
Lay a fi rm board and then install the refrigerator thereon.
Install the refrigerator with clearance around it.
Pg.36
Install it fi rmly.
These sounds are caused when the refrigerant fl ows or water fl ows/
evaporates to remove frost.
This sound is caused because the parts squeaks when the
refrigerator temperature changes.
These sounds are caused when the electric parts to control
the refrigerator temperature operates.
These sounds are made when ice is separated from the ice tray of the
auto ice maker or water is supplied to the ice tray. These sounds are
also heard every two or three hours when the water supply container is
empty. To stop the sound, touch the
(Stop) .
Pg.46
This sound is caused when the refrigerator starts the operation to cool.
Dew condensation
Pg.42, 45, 50
Pg.42, 45, 50
Possible Solution
Pg.36
Source of sound
button to change it to 停止
Pg.57
55

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