Error
code
Error message
Cause
Solution
0820
Loading of outdoor low noise
timer failed. Check the
following contents.
• Ensure that your mobile
device is connected to the
internet.
The outdoor unit low noise timer information could not be
obtained because communication with the server (cloud) failed.
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
– Check that the Electrical panel (Switch breaker) to the
air conditioner is turned on.
– Check that the power plug of the air conditioner main
unit is plugged in.
• When lighting
Use a smartphone to check that the wireless router to
which the air conditioner is connected is connected to the
Internet. 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.
• When blinking
Wait for a while until the indicator lamp lights and then
operate again. If the indicator lamp is still blinking after
waiting for a while, check that the wireless router is turned
on.
1520
Loading of weekly timer failed.
Check the following contents.
• Ensure that your mobile
device is connected to the
internet.
The weekly timer setting information could not be obtained
because communication with the server (cloud) failed.
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
– Check that the Electrical panel (Switch breaker) to the
air conditioner is turned on.
– Check that the power plug of the air conditioner main
unit is plugged in.
• When lighting
Use a smartphone to check that the wireless router to
which the air conditioner is connected is connected to the
Internet. 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.
• When blinking
Wait for a while until the lamp lights and then operate
again. If the lamp is still blinking after waiting for a while,
check that the wireless router is turned on.
1-7. Error message for wireless LAN control (Mobile app) - (03-14) - 1. Error code
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