Hitachi R-WB640V0MSX Instruction Manual page 27

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