39
TROUBLESHOOTING CHART
Domestic hot water
Turn on mains power.
The display illuminates
NO
If
!
09,
!
15 and
!
384 is flashing or re-occurs regularly
check all PCB connections, if this has no effect replace
the PCB.
YES
Error 110 or 133 or 134
or 135 or 125 or 384 or
09 or 15 flashing
NO
YES
Go to section 'A'
Press the 'Reset' button for
between 1-3 seconds
Go to section 'D',
NO
If the E11 o is still flashing. Go
to section 'H'
Error 20, 28, 40, 50, 321 or 431 flashing
if E55 is displayed go to section N
NO
YES
Error 117 or 118 flashing
Go to section 'I'
NO
DH\V Top. Symbol nashcs
�---'-------,,/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.
YES
NO
YES
Burner lights
YES
YES
Error E109 flashing
NO
Error E110 flashing
YES
NO
NO
NO
NO
DHW flow rate more
than 21/min
Error 160 flashing
Go to section 'C'
Error 160 flashing
Go to section 'C'
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
Go to section 'L'
NO
If E53 is displayed go to section 0
YES
1------�
--
Go to section 'F'
YES
YES
Error 128 or E129 flashing (loss of flame 12
times) Go to section 'G'
Go to section 'J'
3 way valve open to domestic
hot water circuit
NO
1----1�
.. �o to section 'K'
�-----------�
NO
Burner output modulates to
maintain the temperature set
YES
YES
Error E130 flashing
NO
YES
Burner goes out
NO
Check the Central Heating NTC sensor
Go to section 'D'
Go to section 'M'
Fan stops after 30 seconds
YES
Operation sequence
successful
PN 240012875 REV. A [01/31/2020]
Summary of Contents for Dunkirk DCBF-125
Page 63: ...61 A 1 MODELS 125 Heat Only APPENDIX A WIRING DIAGRAMS 240012879 REV A 01 31 2020...
Page 64: ...62 APPENDIX A WIRING DIAGRAMS A 2 MODELS 165 Heat Only 240012879 REV A 01 31 2020...
Page 65: ...63 A 2 MODELS 150 Combi APPENDIX A WIRING DIAGRAMS 240012879 REV A 01 31 2020...
Page 66: ...64 A 4 MODELS 205 Combi APPENDIX A WIRING DIAGRAMS 240012879 REV A 01 31 2020...
Page 67: ...65 NOTES 240012879 REV A 01 31 2020...
Page 68: ...66 NOTES 240012879 REV A 01 31 2020...
Page 99: ...29 MODEL 150F Combi 150F FLOOR STANDING COMBI WIRING DIAGRAM PN 240012875 REV A 01 31 2020...
Page 101: ...31 205F FLOOR STANDING COMBI WIRING DIAGRAM MODEL 205F Combi PN 240012875 REV A 01 31 2020...
Page 106: ...36 Low Water Cutoff Detail LOW WATER CUTOFF NO NO YES PN 240012875 REV A 01 31 2020...
Page 114: ...44 NOTES PN 240012875 REV A 01 31 2020...
