Error code
live-firmware-lamp-fast-blink WLAN firmware update in progress
Applies to 3 models
ASEH09KHCBN, ASEH12KHCBN, ASEH14KHCBN
What this means
The WLAN device firmware is being updated, and mobile-app control is unavailable for up to 5 minutes.
What you can check yourself
- Operate the unit with the remote control or wait up to 5 minutes.
- Do not disconnect power during the update.
Still not resolved? Contact a qualified installer or servicer.
See the official Fujitsu manualA deep link to the manufacturer's own PDF for full technical detail. We link to manuals, we never host them.