Troubleshooting
27
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Problem
Things to check
Instructions
Page
Auto Door
Noise loud.
There is an abnormal
noise.
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Hitting sound (thumping sound).
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This is operating sound of the Aut Door.
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This is not malfunction.
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Buzzing sound (whir) (whir).
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This is operating sound of Electric Refrigerator Unit.
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This is not malfunction.
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The operation sound of the Auto Door
differs depending on door (left or right).
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This may vary depending on installation conditions of the
refrigerator or volume of foods stored in the door pocket.
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This is not malfunction.
The Auto Door
dose not close.
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Is any food or food bag caught on
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Remove food and others that are caught in.
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Did a power failure occur or did
the compartment knock against any
Auto Door function stops on the way, so push in the door
with hand.
Auto Door dose
not open widely.
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Installation site may not be levelled out.
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Don’t stored foods and others make
contact with the wall in
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Remove food and others make contact with the wall.
Opening angle of the Auto Door may vary or the door
may go back a little after it is opened automatically
depending on installation conditions of the refrigerator,
but this is not malfunction.
Lamp of open
button is off or
Auto Door won’t
open even if touching.
● Is lamp not lit?
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Press button for 5 second or more until lamp on.
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18
the compartment?
obstacle during electrical operation?
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the Refrigerator Compartment.
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Wireless LAN
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Problem
Things to check
Instructions
Page
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Want to know whether
the smartphone is
corresponding to the
dedicated application.
For the corresponding OS version, confirm via
https://kadenfan.hitachi.co.jp/app/rei/series01/index.html
Want to use a tablet
terminals.
The dedicated application does not correspond to a tablet
Want to use a mobile
routers.
Mobile router operation is not guaranteed.
Some routers cannot be used even though corresponding
Want to operate without
using a dedicated
application.
A dedicated application is required to use the
Impossible to connect the
unit and a smartphone to
the wireless LAN.
The following environment is required to connect the unit
1. Internet connection environment is required.
2. Wireless LAN router is required.
3. The wireless LAN router shall correspond to any of
wireless LAN function. In addition, it doesn’t correspond
to IEEE802.11n (5GHz) and IEEE802.11.ac.
Make sure that power for the wireless LAN router is on.
Refer to the instruction manual for the wireless LAN
Make sure that the wireless LAN feature is set as “Yes”.
If it is set as “No”, it cannot be connected to the wireless LAN.
Make sure that the wireless LAN router is not stealth
mode / ANY key connection prohibited / SSID hidden.
the website below.
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terminal. (No operation guarantee)
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to IEEE802.11b, IEEE802.11g, and IEEE802.11n
(2.4 GHz only).
“Control panel” function or "Notification" function.
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and a smartphone to the wireless LAN.
IEEE802.11b, IEEE802.11g, IEEE802.11n (2.4GHz)
If not, it is impossible to connect by the
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router and turn on the power.
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Release stealth mode and pair it.
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Summary of Contents for R-WB640VFX
Page 31: ...31 Memo ...
