Fujitsu AOTG30KMTC, Service Manual, Page: 103 / 199

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 —
Wireless LAN
adapter
LED1 (green) On
LED2 (orange) Flashing fast
Detective actuator
Wireless LAN router When the not connection between wireless LAN adapter
and wireless LAN router.
NG
Controller
PCB
NG
Wireless LAN adapter PCB
Forecast of cause
Connection cable failure of wireless LAN router
Connection between wireless LAN adapter and wireless
LAN router failure
Wireless LAN router failure
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 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 WLAN adapter
- (03-65) -
4. Troubleshooting with error code (For wireless LAN adapter)
TROUBLESHOOTING TROUBLESHOOTING