2021/01 Rev. 0.4
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Display Possible cause Solution
E40
HOT WATER
BOILER
FILL ERROR
During commissioning the EMPTY
coffee boiler does not fill or fills up
to slowly.
The espresso pump KW2 must fill the
coffee boiler within 2 minutes.
Check if espresso pump is functioning.
Service menu 2.07 Hardware test /
inputs / espresso pump.
If the pump does not function please
follow the instructions in chapter 3. No
error code related problems.
E41
STEAM BOILER
TIME OUT
During normal use the steam
boiler does not heat up to the set
temperature (default 127°C) within
2 minutes.
The control has disabled the heater
output.
Check whether the boil-dry protection
was activated. Reset if necessary.
Attention; the metal reset levers are LIVE!
145°C +/- 7,5K
10A / 230Vac
Reset
Check the steam boiler heating element.
The resistance must be approx. 30 Ω
E42
LEVEL ERROR
The water level in the air break refills
for the 2nd time without the espresso
pump KW2 is activated.
This suggest water leaks away some-
where after the air break.
Check if water leaks away from water
circuit:
Check air break, flow meter FL1 or
espresso pump KW2.
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