BWT FI CONNECT - Controller State and Error Table

- 30 -
CONTROLLER STATE TABLE
Error Code Explanation Check Solution (if no reset)
St-by Stand-by
FLO No water ow or the ow
switch doesn’t detect the
water ow
- Check if ltration pump is working.
- Check by-pass setting.
- Check water ow switch position.
Contact your seller
AL10 / AL11 HP error
AL15 / AL16 Too much temperature
difference between water in
and water out.
AL18 Comp. Out temp. Too high
AL17 Low temp protection in cool-
ing mode
AL7 / AL8 Communication error Check electrical connection between controller
and electronic card inside the machine.
AL3 Probe error (Water in) Check probe connection.
AL4 Probe error (Water out)
AL5 Probe error (coil.)
AL1 Probe error (comp. out)
AL2 Probe error (comp. in)
AL6 Probe error (ambiance)
AL9 Fan error Check fan connection.
AL14 Outdoor temperature too low Outdoor temp is below -15°C Wait for the outdoor tempera-
ture to increase.
AL19 / AL20 Power supply problem Ask an electrician specialist to check power
supply.
Contact your seller
AL21 / AL22 / AL23 / AL24
/ AL25
Electronic/overheating
protection
Stop the power supply for 5 to 10 minutes, check
that air ow is not blocked, turn ON power supply