Fault
code
Fault Comment
F15
Dosing flowmeter 1.
Not enough detergent 1 dosed (-B16).
Possible action:
a. Check operation of the dosing pump.
b. Check that there is detergent in the container.
c. Check whether an empty container alarm has occurred.
d. Check that there is no air in the flowmeter and that it is rotating.
e. Check that the hoses are not blocked.
F16
Dosing flowmeter 2.
Not enough detergent 2 dosed (-B17).
Possible action:
a. Check operation of the dosing pump.
b. Check that there is detergent in the container.
c. Check whether an empty container alarm has occurred.
d. Check that there is no air in the flowmeter and that it is rotating.
e. Check that the hoses are not blocked.
F19
Dosing flowmeter 3.
Not enough detergent 3 dosed (-B20).
Possible action:
a. Check operation of the dosing pump.
b. Check that there is detergent in the container.
c. Check whether an empty container alarm has occurred.
d. Check that there is no air in the flowmeter and that it is rotating.
e. Check that the hoses are not blocked.
F20
Dosing flowmeter 4.
Not enough detergent 4 dosed (-B21).
Possible action:
a. Check operation of the dosing pump.
b. Check that there is detergent in the container.
c. Check whether an empty container alarm has occurred.
d. Check that there is no air in the flowmeter and that it is rotating.
e. Check that the hoses are not blocked.
F21
Booster tank water filling
slow.
If filling (-B11) takes longer than 10 minutes, a fault code is
generated .
Possible action:
a. Check that the shutoff valves are open and that water is
reaching the machine.
b. Check that the solenoid valves open and that their filters are
not clogged.
F23
High conductivity
The conductivity (-U01) is higher than the set value after the third
repeat rinse.
Possible action:
a. Check that the correct type of water is connected.
F24
Low pressure in dryer.
The differential pressure (-B03) is < 150 Pa.
Possible action:
a. Check whether the fan, hoses or filter(s) are faulty.
b. When changing a filter, check that the new filter is correctly
installed.
F25
High pressure in dryer.
The differential pressure (-B03) is > 750 Pa.
Possible action:
a. Check whether the filter is clogged.
F26
Low pressure from circu-
lation pump
The pressure (-B04) is <30 kPa.
Possible action:
a. Check the docking between machine and wash rack.
b. Check that the pump impeller rotates easily.
c. Check the direction of rotation (see installation manual).
d. Check that the detergent is not foaming.