3
Failures / Errors
GB012 - 25K
22
B3
is flashing.
Short circuit / failure in water level switch in recuperator (condens heat exchanger).
Control Step
Action
1.
Check the siphon line.
Is there any blockage ?
yes:
B
Remove the blockage.
B
Switch on the appliance.
B3 failure still exist? -->2
no:
-->2.
2.
Check the water level switch.
Is the resistance lower 300 kOhm ?
yes:
B
Accumulated water in recuperaotr or switch
contacts are wet.
B
It can be blockage at recuperator drain. Correct
it.
B
Is the siphon connection adapter in right posi-
tion. It should be in vertical position.
B
Leakage in water level switch ?. If yes, change
it.
B3 failure still exist? -->3.
no:
B
Short circuit in connection cable. If necessary,
change it.
B3 failure still exist? -->3.
3.
Electronic card is defect.
B
Notice the changed parameters.
B
Switch off the appliance.
B
Cut mains supply.
B
Change the electronic card.
B
Connect to main supply.
B
Switch on the appliance.
B
Adjust again according noticed parameters.
