Fujitsu ABHG18KRTA, Service Manual

Page: 227 / 471

• Error message list
– For Android
Registration error
Error message Cause Solution
Wi-Fi must be enabled to set
up new device The user has disabled the
wireless LAN connection on
the smart device. Enable the wireless LAN connection on the
smart device.
We weren’t able to sign you
onto null. Please goto the Wi-
Fi settings and join the
network from there. Return to
the app when you’re done. The smart device and the air
conditioner are connected to
difference wireless LAN
networks when attempting to
register. Connect the mobile device to the same
network as the air conditioner, then retry
the registration.
Could not connect to the
device at this time. Please
reset the device and try
again. The air conditioner is not
connected to the wireless
LAN. Check if the router connected to the air
conditioner has Internet access. (You can
check by connecting the smart device to
the router, then opening the website.) If
there is no access, connect the router to
the Internet.
Smart device is not
connected to the same
network as the air
conditioner. Connect the mobile device to the same
network as the air conditioner, then retry
the registration.
The device failed to connect
with service. Your Internet access may be
down or a firewall may be
blocking requests to the
service. Check if the router connected to the air
conditioner has Internet access. (You can
check by connecting the smart device to
the router, then opening the website.) If
there is no access, connect the router to
the Internet.
Could not register the device.
Make sure the device is
ready for registration. The air conditioner is not
connected to the router. Enter the wireless LAN setting on the
smart device, then check if the SSID of the
air conditioner (AC-UTY-

) is connected. If
the air conditioner is connected, retry the
registration.
The router the air conditioner
is connected to, has no
Internet access. Check if the router connected to the air
conditioner has Internet access. (You can
check by connecting the smart device to
the router, then opening the website.) If
there is no access, connect the router to
the Internet.
The air conditioner is already
registered. If there is a smart device that has already
been registered to the air conditioner,
unregister by using the registered smart
device. Retry the registration with the
smart device you wish to register. If you do
not own the smart device registered to the
air conditioner (lost, property of previous
owner, etc.), ask your manufacturer service
to unregister the smart device. Inform them
the MAC address of the WLAN adapter as
written on the Wireless LAN label.
If the problem persists even if the all of the above is conducted, contact
your dealer or authorized service personnel. When asking for advice,
inform them the MAC address of the WLAN Adapter as written on the
Wireless LAN label.
1-7. Error message for wireless LAN control (Mobile App)
- (03-11) -
1. Error code
TROUBLESHOOTING TROUBLESHOOTING