ECR International Dunkirk DCBF-125 Installation, Operation And Maintenance Manual page 109

Domestic hot water
Turn on mains power.
The display illuminates
YES
Error 110 or 133 or 134
or 135 or 125 or 384 or
09 or 15 flashing
NO
Error 20, 28, 40, 50, 321 or 431 flashing
NO
Error 117 or 118 flashing
NO
�---'-------,,/c,
Open DHW tap fully.
Pump runs.
YES
Fan runs after up to 3 seconds
YES
Fan runs at correct speed
YES
Spark at ignition electrodes for
up to 5 seconds and for 5
attempts.
NO
YES
YES
Burner lights
YES
YES
Error E109 flashing
NO
YES
Error E110 flashing
NO
3 way valve open to domestic
�-----------�
hot water circuit
NO
Burner output modulates to
maintain the temperature set
YES
YES
Error E130 flashing
NO
YES
Burner goes out
TROUBLESHOOTING CHART
NO
Go to section 'A'
YES
Press the 'Reset' button for
between 1-3 seconds
Go to section 'D',
if E55 is displayed go to section N
YES
Go to section 'I'
DH\V Top. Symbol nashcs
DHW flow rate more
than 21/min
NO
Error 160 flashing
Go to section 'C'
NO
Error 160 flashing
Go to section 'C'
NO
Error 133 flashing
Go to section 'E'
Burner does not stay alight
after 5 seconds
Error E125 flashing
after 1 minute
Go to section 'H'
NO
1----1� .. �o to section 'K'
Check the Central Heating NTC sensor
NO
Go to section 'D'
Go to section 'M'
Fan stops after 30 seconds
! ! !
If 09, 15 and 384 is flashing or re-occurs regularly
check all PCB connections, if this has no effect replace
the PCB.
NO
If the E11 o is still flashing. Go
to section 'H'
NO
Go to section 'L'
NO
If E53 is displayed go to section 0
YES
1------� Go to section 'F'
--
YES
Error 128 or E129 flashing (loss of flame 12
times) Go to section 'G'
YES
Go to section 'J'
YES
Operation sequence
successful
39
PN 240012875 REV. A [01/31/2020]