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LG Smart AC
Troubleshooting LG Smart AC App Operation
Refer to the troubleshooting procedures below, if the LG Smart AC
app does not function as expected.
Smartphone Will Not Connect to Wireless Module
Main Function Possible Cause Solution
Cannot sign in to the
app.
• Wireless
connection needs a
password.
• Verify and confirm
from email.
• Check your carrier’s
wireless network and be
sure you have access
rights.
• Check your email and
confirm the app through
the LG website.
Unable to sign up for
membership.
Incorrect email
address.
Make sure to provide
accurate email in the
format of: email@abc.
com
Cannot connect LG
Smart AC app to indoor
unit.
• Indoor unit is
turned off.
• Wireless signal is
not strong enough.
• Wireless network
which is connected
to the indoor unit is
turned off.
• Something is
wrong with the LG
Smart AC app on
the phone.
• App lost
communication
with the indoor unit
suddenly (dropped
the connection).
• Turn the indoor unit on.
• Move to a place where
the wireless connection
is strong.
• Turn on wireless
connection.
• Turn off the wireless on
smartphone and then turn
it back on.
• Turn off smartphone and
turn back on.
• Sign into the LG Smart
AC app again to establish
communication with
indoor unit.
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