Alar
m
Alarm text Description
ET20 A20 THRESHOLD CS If the limit switch for limit out is not activated within 5 seconds after the
door has closed.
Possible action:
a. Check the function of the limit switch.
b. Check the air hoses for the cylinder.
c. Check that the solenoid valve and the cylinder work.
ET21 A21 COND FR H Conductivity higher than selected limits µS/cm after three attempts at final
rinse on the clean side.
Possible action:
a. Check the water that is connected to the machine.
b. Check the conductivity transmitter
ET22 A22 DIFF-PRESS L If the difference-pressure <0.75 mbar 20 sec after start of the drying fan.
Possible action:
a. Check if fan, hoses or filter is damaged (leakage).
b. If filter is replaced, check that the filter is correctly installed
(leakage).
ET23 A23 DIFF-PRESS H If the difference-pressure >7.5 mbar after start of the drying fan.
Possible action:
a. Check if the filter is obstructed.
ET24 A24 CIRC PRESS L If the pressure does not reach 0.5 bar with a delay of 10 seconds during
operations.
Possible action:
a. Check amount of water (leakage)
b. Check the docking between the machine and the wagons.
c. Check if the pump wheel rotates easily.
d. Check the rotation.
e. Check if the detergent is foaming.
ET25 A25 CIRC PRESS. H If the pressure is more than 2.2 bar.
Possible action:
a. Check that no nozzles in the washing arms are blocked.
b. Check the pressure transmitter.
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