17
filter, possible damage to water intake hose or cleaning of rinsing
nozzles. If the problem persists during FILL:
- tank pressure switch has failed (continuous empty reading: check
whether tank safety pressure switch is tripped)
- leak from pipe connected to air trap
If the problem occurs during work cycle
- filler hose bleeder valve fouled: tank empties completely at end
of a wash cycle due to siphon effect.
Err06
Water pump-out malfunction
Inspect the filters for dirt and check that the drain hose is not
blocked, bent or crushed.
Check that the drain pump is not blocked by dirt by removing the
insert on the sump (from inside the tank).
If it persists, check in this order:
- with tank empty: constant “tank full” signal: tank pressure switch
faulty or leak from connections of air trap connection pipe (water
entering pipe)
- with tank full: drain pump failure
Err09
Too much water in tank
With tank full:
see above (water pump-out malfunction)
With tank empty: constant “tank full” signal: safety pressure switch
faulty or leak from connections of air trap connection pipe (water
entering pipe)
Err23
Boiler does not heat up as
expected
The problem might occur because water is continually entering the
tank (the causes are as for Err5 – see above)
If it persists, check in this order:
- damaged boiler heating element
- contactor failure,
- boiler safety thermostat failure,
- boiler temperature probe faulty or incorrectly positioned
- motherboard relay failure,
Important: if the boiler heating element is damaged, this might be
due to operation with no water in the boiler - the pressure switch
is indicating full even with the boiler empty: check and if necessary
replace the boiler air trap and/or the relative pressure switch: the
problem is generally preceded by “boiler overheating E28”
Err24
Boiler
temperature
probe
malfunction
boiler temperature probe disconnected or not working
Err25
Boiler
water
filling
malfunction
The boiler does not fill within the allowed time: check water intake
tap, dynamic pressure in intake system, cleaning of water intake
filter, possible damage to water intake hose
Or check in this order:
- boiler pressure switch has failed (continuous empty reading)
- pipe leaking/disconnected (water entering pipe)
Err26
Boiler emptying malfunction
- check that rinsing spray arm nozzles are clean
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