Fujitsu AOUH18LMAS1, Service Manual

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4-3. Network communication error between wireless LAN router
and WLAN adapter
Indicator
Indoor unit
Operation indicator No indication
Timer indicator No indication
Economy indicator No indication
Error code —
→ireless LAN
adapter
LED1 (green) On
LED2 (orange) Flashing fast
Detective actuator
→ireless LAN router →hen the not connection between wireless LAN adapter
and wireless LAN router.
NG
Controller
PCB
NG
→ireless LAN adapter PCB
Forecast of cause
Connection cable failure of wireless LAN router
Connection between wireless LAN adapter and wireless
LAN router failure
→ireless LAN router failure
→ireless 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 mis-wiring, correct it.
Check point 2. 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, check the transmission between wire-
less LAN products (ex. PC or game console, etc.) other than air conditioner and wireless LAN
router.
If no, go to "Check point 2-2" .
Check point 3. Turn on the power again of air conditioner.
If check point 1 to 2 do not improve the symptom, turn on the power of the air conditioner again and
wait for 60 seconds.
4-3. Network communication error between wireless LAN router and →LAN adapter
- (03-69) -
4. Troubleshooting with error code (For wireless LAN adapter)
TR
O
U
B
LESH
O
O
TI
N
G
TR
O
U
B
LESH
O
O
TI
N
G