Fujitsu AS*G09KXCA Series Service Instruction page 37

General Errors (For iOS)
Error messages
Failed to change
password.
Cloud not determine
service reachability.
Failed to update
property.
Could not retrieve
schedules.
The operation couldn't
be completed.
Operation timed out.
"Device name" is
(Device name varies
depending on the air
conditioner)
Sign-in Errors (For Android/iOS)
Error messages
Could not reach
service.
Causes
The mobile device has
no internet access.
The router the
air conditioner is
connected to has no
internet access.
The air conditioner is
not connected to the
router.
Causes
The mobile device has
no internet access.
02-04 +5
Solutions
Connect the mobile device to the
internet.
Check if the router connected to
the air conditioner has internet
access. (You can check by
connecting the mobile device
to the router, then opening the
website to check access.) If there
is no access, connect the router
to the internet.
Check the LED indicators
on the WLAN adapter. If the
Green or Orange LED lamp is
TROUBLESHOOTING "State of
the Wireless LAN indicators".
Solutions
Connect the mobile device to the
internet.