Use and Care Manual
40 SMART FUNCTIONS
Using Smart Diagnosis™
Use this function if you need an accurate diagnosis 
by an LG Electronics customer information center 
when the appliance malfunctions or fails.
Smart Diagnosis™ can not be activated unless 
the appliance is turned on by pressing the Power 
button. If the appliance is unable to turn on, then 
troubleshooting must be done without using Smart 
Diagnosis™.
Smart Diagnosis™ Using a Smart 
Phone
1
Open the LG Smart ThinQ application on the 
smart phone.
2
Select the appliance and then the menu on 
upper right side.
3
Select the Smart Diagnosis, then press Start 
Smart Diagnosis button.
4
Follow the instructions on the smart phone.
If the diagnosis fails several times
5
Select Try Again or Audible Diagnosis.
6
Place the mouthpiece of the smart phone close 
to the Smart Diagnosis™ icon.
7
Press and hold Download Cycle until a 
countdown displays on the appliance.
8
Keep the phone in place until the tone 
transmission has nished. View the diagnosis on 
the phone.
NOTE
 • Smart Diagnosis™ may fail if the network is 
unstable.
Smart Diagnosis™ through the 
Customer Information Center
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 nished.
• 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.
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
 • The Smart Diagnosis™ function depends on the 
local call quality.
 • The communication performance will improve and 
you can receive better service if you use the home 
phone.
 • If the Smart Diagnosis™ data transfer is poor due 
to poor call quality, you may not receive the best 
Smart Diagnosis™ service.










