TEK Biomasse DOMINA, Instruction Manual

Page: 26 / 33

25
Er23 Boiler sensor, DHW open
circuit.
The boiler is programmed to
read one or more of the
following sensors and has not
detected them:
Boiler temperature
DHW temperature
Check sensor connection
In case the boiler does
not have DHW, it must
be
deactivated by
changing the following
parameters P26=5 and
P83=0
Er39 Air flow/mass sensor
Damaged sensor
Change sensor
Call a technician.
Er41 Air flow/mass sensor
During the Check Phase Up
the boiler makes the exhaust
capacity diagnosis.
Minimum reference value not
reached.
Possible obstruction of the
chimney or air intake.
Open ash door or drawer
Clean the chimney.
Check door seal and ash
drawer
Er42 Air flow/mass sensor
During the Check Phase Up
the boiler makes the exhaust
capacity diagnosis.
The maximum reference value
has been exceeded
Maximum air flow reached,
excessive chimney draft. The use of swivels or
fans in the chimney is
not allowed.
Er44 Open door error Check door lock or ash
drawer.
Check the cord.
Er56 Hydraulic scheme different
from boiler configuration
SerU Notifies that the planned
hours of operation (parameter
T66) are reached. Periodic
review is required.
Call a technician for
maintenance and service
message reset.