Polytropic MASTER-INVERTER XXS Manuel D'instructions page 34

Controller state table
Screen
St-by
FLO
AL10 / AL11
AL15 / AL16
AL18
AL17
AL7 / AL8
AL3
AL4
AL5
AL1
AL2
AL6
AL9
AL14
AL19 / AL20
AL21 / AL22 /
AL23 / AL24 /
AL25
Explanation
Stand-by
No water flow or the flow switch
doesn't detect the water
flow
HP error
Too much temperature
difference between water in
and water out.
Comp. Out temp. Too high
Low temp protection in cooling
mode
Communication error
Probe error (Water in)
Probe error (Water out)
Probe error (coil.)
Probe error (comp. out)
Probe error (comp. in)
Probe error (ambiance)
Fan error
Outdoor temperature too low
Power supply problem
Electronic/overheating
protection
Check
-
- Check if filtration pump is
working.
- Check by-pass setting.
- Check water flow switch
position.
Check electrical connection
between controller
electronic card inside the
machine.
Check probe connection.
Check fan connection.
Outdoor temp is below -15°C
Ask an electrician specialist to
check power supply.
Stop the power supply for 5 to
10 minutes, check that air
flow is not blocked, turn ON
power supply
- 34 -
Solution (if no reset)
-
and
Contact your seller
Wait for the
temperature
increase.
Contact your seller
outdoor
to