Error
code
Error message
Cause
Solution
2931
WLAN adapter password is
wrong. Enter it again.
When problems are not
resolved, there may be other
causes. Tap the link below to
check other solutions.
Failed because the smartphone could not connect to the air
conditioner.
Check the following contents depending on the status of indoor
unit wireless LAN indicator lamp or WLAN Adapter LED 2 and
operate again.
• When not lighting
1. Check that the Electrical panel (Switch breaker) to the
air conditioner is turned on.
2. Check that the power plug of the air conditioner main
unit is plugged in.
3. Retry the connection step procedure for the air
conditioner registration displayed in the application to
set the lamp to the blinking state.
• When lighting or blinking
1. Check that the entered SSID and PIN numbers of
WLAN Adapter are correct.
2. Check that the wireless LAN setting of smartphone is
set to ON.
2932
2933
Failed to connect to wireless
router. Check if the WiFi
setting of the mobile device is
turned on.
When problems are not
resolved, there may be other
causes. Tap the link below to
check other solutions.
• Registration failed because the smartphone cannot
connect to the network.
• Connection to the WLAN Adapter was disconnected during
processing.
1. Check that the wireless LAN setting of smartphone is set to
ON.
2. Check that the smartphone is connected to the Internet.
2934
Wi-Fi router password is
wrong. Tap “From the
beginning” to enter it again.
When problems are not
resolved, there may be other
causes. Tap the link below to
check other solutions.
• The wireless router password is not correct.
• The air conditioner is not connected to the same wireless
router as the smartphone.
Check the following contents and operate again.
1. Check that the wireless router password is correct.
2. Check that the smartphone and the air conditioner are
connected to the same wireless router.
3. The wireless router encryption method WPA3 is not
supported. Check if SSID other than WPA3 is selected.
4. Check that the local network setting of the smartphone is
“Enabled”. (Only for smartphones with iOS14 or later)
2935
2937
2939
2941
Failed to register the air
conditioner. Make sure the
wireless router is connected
to the Internet, and then tap
“Re-register” to perform the
registration process again.
When problems are not
resolved, there may be other
causes. Tap the link below to
check other solutions.
Registration failed because the air conditioner cannot connect
to the Internet.
Check the following contents and operate again.
1. Use a smartphone to check that the wireless router to
which the air conditioner is connected is connected to the
Internet.
2. If the smartphone cannot connect to the Internet, reboot
the wireless router. When rebooting the wireless router
does not solve the problem, contact the manufacturer of
the wireless router.
3. Check that the MAC address filter and privacy separator
settings are not “enabled” on the wireless router.
1-7. Error message for wireless LAN control (Mobile app)
- (03-8) - 1. Error code
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