Registration error
Error message Cause Solution
Could not register the device.
Make sure the device is
ready for registration.
The router the air conditioner
is connected to, has no
Internet access.
Check if the router connected to the air
conditioner has Internet access. (You can
check by connecting the smart device to
the router, then opening the website.) If
there is no access, connect the router to
the Internet, then retry the registration.
The air conditioner is already
registered.
If there is a smart device that has already
been registered to the air conditioner,
unregister by using the registered smart
device. Retry the registration with the
smart device you wish to register. If you do
not own the smart device registered to the
air conditioner (lost, property of previous
owner, etc.), ask your manufacturer service
to unregister the smart device. Notify the
MAC address of the WLAN Adapter as
written on the Wireless LAN label.
If the problem persists even if the all of the above is conducted, contact
your dealer or authorized service personnel. When asking for advice,
inform them the MAC address of the WLAN Adapter as written on the
Wireless LAN label.
General error
Error message Cause Solution
Failed to change password. The smart device has no
Internet access.
Connect the mobile device to the Internet.
Cloud not determine service
reachability.
Failed to update property.
Could not retrieve schedules.
The operation couldn’t be
completed. Operation timed
out.
“Device name” is off-line.
(Device name varies
depending on the air
conditioner)
The router the air conditioner
is connected to has no
Internet access.
Check if the router connected to the air
conditioner has Internet access. (You can
check by connecting the mobile device to
the router, then opening the website to
check access.) If there is no access,
connect the router to the Internet.
The air conditioner is not
connected to the router.
Check the wireless LAN indicator lamps on
the air conditioner. If the indicator lamp is
flashing or off, refer to Error code table
(Wireless LAN indicator)
Sign in error
Error message Cause Solution
Could not reach service. The smart device has no
Internet access.
Connect the smart device to the Internet.
1-7. Error message for wireless LAN control (Mobile App) - (03-13) - 1. Error code
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