• Sign in error
Error
code
Error message
Cause
Solution
4010
4410
4610
4810
4910
Communication failed. After
checking the following
contents, please try again after
a while.
• Ensure that your mobile
device is connected to the
internet.
Various settings could not be completed because
communication with the server (cloud) failed.
Check the following contents and operate again.
1. Check that the wireless LAN setting of smartphone is set to
ON.
2. Check that the smartphone is connected to the Internet.
3. Check that the wireless router is turned on.
4100
The account you are currently
signed in to may have been
deleted.
If necessary, please create the
account again.
Token has been disabled because the signed-in account has
been deleted or certain amount of time has elapsed.
Restart the application and check that you can sign in.If you
cannot sign in, create the account again.
4101
The session has expired.
Please sign in again to
continue.
Token has been disabled because the signed-in account has
been deleted or certain amount of time has elapsed.
Restart the application and check that you can sign in.
If you cannot sign in, create the account again.
4102
Your session has expired.
Please sign in again.
*If you cannot sign in, your
account may have been
deleted. If necessary, please
create an account again.
Token has been disabled because the signed-in account has
been deleted or certain amount of time has elapsed.
Restart the application and check that you can sign in.
If you cannot sign in, create the account again.
4110
Failed to connect to the server.
Some functions can be used
with Direct Control. Do you
want to switch to direct
control?
• Communication with the server (cloud) failed at sign in.
• Registration process of Account registration procedure
verification email has not been completed.
Check the following contents and sign in again.
1. Check that the wireless LAN setting of smartphone is set to
ON.
2. Check that the smartphone is connected to the Internet.
3. Check that the wireless router is turned on.
4. Tap the link of Account registration procedure verification
email and check that registration process has completed.
4111
Failed to read the device.
Since some functions are
available in Direct control,
switch to Direct control.
Air conditioner information could not be obtained because
communication with the server (cloud) failed after sign in.
Check the following contents and sign in again.
1. Check that the wireless LAN setting of smartphone is set to
ON.
2. Check that the smartphone is connected to the Internet.
3. Check that the wireless router is turned on.
4112
Failed to connect to the server.
Some functions are limited.
• Communication with the server (cloud) failed at sign in.
• Registration process of Account registration procedure
verification email has not been completed.
Check the following contents and sign in again.
1. Check that the wireless LAN setting of smartphone is set to
ON.
2. Check that the smartphone is connected to the Internet.
3. Check that the wireless router is turned on.
4. Tap the link of Account registration procedure verification
email and check that registration process has completed.
4113
Failed to connect to the server.
Would you like to sign in
again?
Yes: Sign in again
No: Return to the sign-in
screen
Air conditioner information could not be obtained because
communication with the server (cloud) failed after sign in.
Check the following contents and sign in again.
1. Check that the wireless LAN setting of smartphone is set to
ON.
2. Check that the smartphone is connected to the Internet.
3. Check that the wireless router is turned on.
1-7. Error message for wireless LAN control (Mobile app)
- (03-11) - 1. Error code
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