
WOOD FIRING ERRORS:
ERROR
NAME
DESCRIPTION
Ew21
Firebox sensor
Boiler status:
Boiler work normally.
Intervention mode:
Boiler work to content heating demand
but boiler has reduced possibilities.
Possible causes
:
Invalid firebox sensor.
WOOD PELLETS FIRING ERRORS:
Ep31
Photocell error
Ep32
Safety pressure switch
Ep33
No flame in ignition phase
Ep34
Flame disappeared
working phase
Ep35
Error grate cleaner
Ep36
Fuel level
Ep37
Flame disappeared at
ignition stage
ERROR
NAME
DESCRIPTION
Boiler status:
Boiler go to phase OFF after ending phase
S0 (retry start is allowed).
Possible cause:
Invalid photocell (sending information
that flame exist in phase S0).
Boiler status:
Boiler immediate go to phase OFF.
Possible causes:
Firebox resistance is too high in phases
S2, S3, S4, (S5). It’s open any door or opening on boiler.
Interruption in el. connection between safety pressure
switch and boiler, connection to the boiler, cold connection
or invalid safety pressure switch. Interruption or bad sealing
of safety pressure switch pipe.
Boiler status:
Boiler immediate go to phase OFF.
Boiler status:
Boiler immediate go to phase OFF.
Boiler status:
Boiler immediate go to phase OFF.
Boiler status:
Boiler go to phases S7, C0 and OFF.
Boiler status:
Boiler immediate go to phase OFF.
Ep38
Flame disappeared
stabilization stage
Ep39
Fuel sensor
Boiler status:
Boiler immediate go to phase OFF.
Boiler status:
Boiler immediate go to phase OFF.
Ep40
Error flap not closed
Boiler status:
Boiler work normally.
Possible causes:
Check if the flap is blocked with pellets , if
the sensor is soiled with dust , if the sensor is about 1 mm
distant from the flap , if the sensor reacts on the flap (the
LED lamp is switching on the sensor ).
Error list
Technical instructions
BioTec Plus
123