1-4. Error code table (Wireless LAN indicator)
• Wireless 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
• Wireless LAN indicator
For confirmation of the error contents, refer the flashing pattern as follows.
Wireless 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 WLAN adapter
On: Connection information with router is
available
Off: Connection information with router is
unavailable
18
Wireless LAN adapter error Flashing slow No error
Network communication error between
wireless LAN router and WLAN adapter
On No error
E: 18. Communication error Flashing slow 18
E: 18. Wireless LAN adapter non-
energized
Off 18
Flashing slow: Repeating 7 seconds on/2 seconds off
1-4. Error code table (Wireless LAN indicator) - (03-4) - 1. Error code
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