Error Display
Error display Causes & Measures
U81
 z Failed to connect the washing machine and the wireless LAN 
router. Check the following.
• The router is not turned on. → Turn on the power.
• The distance between the router and the washing machine is 
too long.→ Bring the router closer.
• There is a device that uses radio waves, such as a microwave 
oven, nearby. 
→Keep a distance. 
→ Stop using the device or wait a while and try again.
• Multiple devices are connected to the router. 
→Turn off the power of the device you are not using.
U82
 z Communication error with the server.
 z There may be a problem with your internet connection.
 →If you do not know the cause, contact your provider, carrier, or 
router manufacturer.
U83
 z In “Backup connection”, SSID or password of the router is 
incorrect.
 →Check the description of the router.
 z Failed to connect the washing machine and the router.
 →Check the above “U81”.
U84
 z “Scan connection” failed. Check the following.
• The Bluetooth
®
 setting on your smartphone is turned off.
• The QR code cannot be read correctly.
 → Make sure that the Bluetooth
®
 setting is ON, and then connect again. 
If you still cannot connect, please try “Backup connection”.
The app 
displayed 
the word 
like “Cannot 
communicate 
with the 
washing 
machine.”
 z Communicate again after a while, or check the connection 
st
atus 
by the following method. 
3
4
Hold 5 sec.
1
2
Turn off On
 →If “U81”, “U82”, etc. are displayed, it is a connection error. Check 
the above.
Panasonic SmartApp+ (continued) 
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