Fujitsu AUXB04GALH Service Manual page 179

Trouble shooting 100
INDOOR UNIT Error Method:
Communication Error between
Wireless LAN Router and
Wireless LAN adapter
Detective Actuators:
Wireless LAN router
Wireless LAN adapter PCB
Forecast of Cause:
1. Connection cable failure of Wireless LAN ruter.
2. Connection between Wireless LAN adapter and Wireless LAN router failure
3. Wireless LAN router failure
4. Wireless LAN adapter PCB failure
Check Point 1 : Check the connection cable
Check the connection cable on the Wireless LAN router.
>If there is loose connector, open cable or miswiring, correct it.
OK
Check Point 2-1 : Check the connection status
Check the connection status to the Internet and Wireless LAN router.
>If the Wireless LAN Router is not connected to the Internet,
Please check the transmission between
"Wi-Fi products of other than Air conditioner" and "Wireless LAN ruter".
OK
Check Point 3 : Turn on power again of Air conditioner
If Check Point 1,2 do not improve the symptom,
OK
Check Point 4 : Replace Wireless LAN adapter
If Check Point 3 do not improve the symptom, replace Wireless LAN adapter and
Please cancel the air conditioner of the registration on the Mobile App.
After the replace adapter, Please perform the pairing on the app.
>> Refer to " Air conditioning unregistration method"
>> Refer to " Air conditioner registration Paring Method"
Indicate of Display:
Indoor Unit :
Operation lamp: No indication
Timer lamp : No indication
ERROR CODE : [ No indication ]
Detective details:
When the Not connection between Wireless LAN adapter and
Wireless LAN router.
Check Point 2-2 : Check the transmission state
Check the Wireless transmission state of Wireless LAN router.(LED status)
>If the wireless transmission from the Wireless LAN router has not been outgoing,
Please the inquiry to "Wireless LAN router maker".
turn on power again of the Air conditioner, please wait 60 seconds.
04-109
Wireless LAN adapter :
LED 1 (Green)
LED 2 (Orange) : Flashing Fast
NG or NG
Controller PCB
Ex. ) Wi-Fi products
PC
GAME
NO
: ON