Fujitsu · Heat pump

WLAN lamp blinking Wireless LAN lamp blinking (connecting or pairing)

Normal status Fujitsu wall-mounted KMCG (ASEH-AOEH 07-14)

What the display is showing

A blinking wireless LAN lamp means the adapter is still connecting, or has been put in the registration state by the app's connection steps. Wait a while for it to turn steady; if it keeps blinking, check that the wireless router is switched on.

Applies to: Fujitsu ductless heat pumps: Fujitsu wall-mounted KMCG (ASEH07-14KMCG / AOEH07-14KMCG)

Settings for these units

Operating range and service space · Fujitsu multi-zone outdoor 18/24 type

Other codes on the same units

Error memory recall Show the stored error on the indoor lamps
WLAN lamp lit Wireless LAN lamp steady (adapter connected)

Save it for the next call

Star this code in the HVACopedia app and keep the whole library on your phone for jobs with no signal.

Open the app

Source: Fujitsu Wall-mounted KMCG (ASEH-AOEH 07-14) - Fujitsu UK; same error-code scheme as NA ASU-AOU units service S.pdf - section 03, 1-7 error messages for wireless LAN control. Summarized in our own words; check the original manual for your model.

For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.