117
2018/02 Rev. 0.4
EN
OptiBean (XL) Touch
Display
Possible cause
Solution
E25
FLOW METER ERROR
The inlet valve is open but the flow
meter does not register a water flow.
The water pressure is low or the water
tank (stand alone set) is empty.
Check the water pressure, fully open the
water supply tap and check the connecting
hose for kinks. Check the operation of the
inlet valve and the flow meter. Switch the
machine off and on again.
Check after which recipe the error occurs
and check if the following dispensing valve
functions are involved with the recipe: DV1
brewer, DV2 mixer, DV4 hot water recipe.
Replace if necessary. Switch the machine
off and on again.
E26
LOW TEMPERATURE
Temperature sensor measures a boiler
temperature below 0 °C.
Boiler and/or NTC sensor is below
0 °C. Let the machine warm up to room
temperature.
E27
NTC SHORT CIRCUIT
Temperature sensor measures a
temperature higher than 125 °C or has
a short circuit.
Boiler overheated. First, let the boiler cool
down. Check if dry-boil protection was
triggered.
Check the NTC sensor and wiring/
connection.
E28
NTC NOT DETECTED
Temperature sensor is not detected.
Check the NTC sensor and wiring /
connection.
E29
BREWER LEAVE HOME
TIMEOUT
BThe bewer did not leave the starting
position.
Check if the brewer motor runs.
Check if the brewer unit is blocked.
E30
BREWER REACH BREW
TIMEOUT
The brewer has left the starting position
but did not reach the brewer position.
Check if the brewer motor runs.
Check if the brewer unit is blocked.
E31
BREWER LEAVE BREW
TIMEOUT
The brewer did not leave its brewing
position.
Check if the brewer motor runs.
Check is the brewer unit is blocked
E32
BREWER REACH HOME
TIMEOUT
The brewer has left its brewing position
but did not reach its starting position.
Check if the brewer motor runs.
Check if the brewer unit is blocked.