Use and Care Guide
46 SMART FUNCTIONS
Smart Diagnosis™ Function
Should you experience any problems with the 
appliance, it has the capability of transmitting data 
via your telephone to the LG Customer Information 
Center. NFC or Wi-Fi equipped models can also 
transmit data to a smartphone using the LG 
SmartThinQ application.
Smart Diagnosis™ through the 
Customer Information Center
 • For appliances with the   or   logo
This gives you the capability of speaking directly to 
our trained specialists. The specialist records the 
data transmitted from the appliance and uses it to 
analyze the issue, providing a fast and effective 
diagnosis.
1
Call the LG Electronics Customer Information 
Center at:
(LG U.S.A.) 1-800-243-0000
(LG Canada) 1-888-542-2623
2
When instructed to do so by the call center, 
place the mouthpiece of the phone close to the 
Smart Diagnosis™ icon. Do not press any other 
buttons.
3
Press and hold Download Cycle until a 
countdown displays on the appliance.
4
Keep the phone in place until the tone 
transmission has finished.
5
Once the countdown is over and the tones have 
stopped, resume your conversation with the call 
center agent, who will then be able to assist you 
using the information transmitted for analysis.
NOTE
 • Smart Diagnosis™ cannot be activated unless 
the appliance can be turned on using the Power 
button. If the appliance cannot be turned on, 
troubleshooting must be done without using Smart 
Diagnosis™.
 • For best results, do not move the phone while the 
tones are being transmitted.
 • If the call center agent is not able to get an accurate 
recording of the data, you may be asked to try 
again.
 • The Smart Diagnosis™ function depends on the 
local call quality.
 • Bad call quality may result in poor data transmission 
from your phone to the call center, which could 
cause Smart Diagnosis™ to malfunction.
SmartThinQ Smart Diagnosis™
 • For appliances with the   or   logo
Use the Smart Diagnosis feature in the SmartThinQ 
application for help diagnosing issues with the 
appliance without the assistance of the LG Customer 
Information Center.
Follow the instructions in the SmartThinQ application 
to perform a Smart Diagnosis using your smartphone.
NOTE
 • Smart Diagnosis™ cannot be activated unless 
the appliance can be turned on using the Power 
button. If the appliance cannot be turned on, 
troubleshooting must be done without using Smart 
Diagnosis™.










