Fujitsu AOUH18LMAS1, Service Manual

Page: 48 / 215

1-5. Error code table (Wireless LAN indicator)
• →ireless LAN control system diagram example
Internet
Indoor unit
Controller PCB
Parts:
WLAN adapter
Cloud
Mobile app
(Smart device)
Wireless
LAN
router
Outdoor unit
• Name of parts
Wireless LAN label
Connection port
MAC:
SSID: AP-WF
-
PIN:
Wireless LAN adapter
• →ireless LAN indicator
For confirmation of the error contents, refer the flashing pattern as follows.
→ireless LAN LED (orange) on the indoor unit operate according to the error contents.
Error contents Wireless LAN LED (orange) Error code
E: 18.↓. External communication error
between indoor unit and →LAN adapter
On: Connection information with router is
available
Off: Connection information with router is
unavailable
18
→ireless LAN adapter error Flashing slow No error
Network communication error between
wireless LAN router and →LAN adapter
On No error
E: 18.↓. Communication error Flashing slow 18
E: 18.↓. →ireless LAN adapter non-
energized
Off 18
→ireless LAN adapter Sleep mode
(Indoor unit)
Off No error
Flashing slow: Repeating 7 seconds on/2 seconds off
1-5. Error code table (→ireless LAN indicator)
- (03-6) -
1. Error code
TR
O
U
B
LESH
O
O
TI
N
G
TR
O
U
B
LESH
O
O
TI
N
G