46
PN 240012875 REV. D [03/15/2022]
TROUBLESHOOTING CHART
Central Heating
Turn on mains power.
The display illuminates
NO
Go to section 'A'
YES
Error 11 O or 133 or 134
or 135 or 125 or 384 or
09 or 15 flashing
NO
YES
Press the 'Reset' button for
between 1-3 seconds
NO
If m 09, m 15 and m 384 is flashing or re-occurs regularly
check all PCB connections, if this has no effect replace
the PCB.
If the E11 O is still flashing. Go
to section 'H'
Error 20, 28, 40, 50, 321 or 431 flashing
Go to section 'D',
if E55 is displayed go to section N
NO
Error 117 or 118 flashing
NO
Turn Central Heating
thermostat to Maximum.
Pump runs.
YES
Fan runs after 1 minute from the
request
YES
Fan runs at correct speed
YES
Spark at ignition electrodes for
up to 5 seconds and for 5
attempts.
YES
NO
Burner lights
YES
Error E109 flashing
NO
Error E 11 O flashing
NO
3 way valve open to central
heating circuit
YES
Burner output modulates to
maintain the temperature set
YES
YES
YES
YES
YES
Error E130 flashing
NO
YES
Burner goes out
YES
Go to section 'I'
NO
NO
Ensure all controls and
Programmers are calling
for heat
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
Go to section 'K'
YES
NO
YES
YES
YES
Ensure controls are set to
demand and verify the
contacts are closed
Go to section 'B'
If E53 is displayed go to section 0
Go to section 'F'
Press the 'Reset' button for
between 1-3 seconds
Error 128 or E129flashing (loss of flame 12
times) Go to section 'G'
Go to section 'J'
NO
Check the Central Heating NTC sensor
Go to section 'D'
Go to section 'M'
Fan stops after 30 seconds
YES
Operation sequence
successful
Summary of Contents for UTICA BOILERS MACF-115
Page 2: ...MACF 150...
Page 4: ...MAHF 125...
Page 77: ...73 A 1 MODEL 75 100 Heat Only APPENDIX A WIRING DIAGRAMS 240013503 REV A 03 15 2022...
Page 78: ...74 A 2 MODEL 125 Heat Only APPENDIX A WIRING DIAGRAMS 240013503 REV A 03 15 2022...
Page 79: ...75 APPENDIX A WIRING DIAGRAMS A 3 MODEL 165 Heat Only 240013503 REV A 03 15 2022...
Page 80: ...76 APPENDIX A WIRING DIAGRAMS A 4 MODEL 115 Combi 240013503 REV A 03 15 2022...
Page 81: ...77 A 5 MODEL 150 Combi APPENDIX A WIRING DIAGRAMS 240013503 REV A 03 15 2022...
Page 82: ...78 A 6 MODEL 205 Combi APPENDIX A WIRING DIAGRAMS 240013503 REV A 03 15 2022...
Page 117: ...33 PN 240012875 REV D 03 15 2022 MODEL 75 100 HEAT ONLY 75 100 HEAT ONLY WIRING DIAGRAM...
Page 118: ...34 PN 240012875 REV D 03 15 2022 MODEL 125 HEAT ONLY 125 HEAT ONLY WIRING DIAGRAM...
Page 119: ...35 PN 240012875 REV D 03 15 2022 MODEL 165 HEAT ONLY 165 HEAT ONLY WIRING DIAGRAM...
Page 120: ...36 PN 240012875 REV D 03 15 2022 115 COMBI WIRING DIAGRAM MODEL 115 COMBI...
Page 121: ...37 PN 240012875 REV D 03 15 2022 MODEL 150 COMBI 150 COMBI WIRING DIAGRAM...
Page 122: ...38 PN 240012875 REV D 03 15 2022 MODEL 205 COMBI 205 COMBI WIRING DIAGRAM...
Page 128: ...44 PN 240012875 REV D 03 15 2022 LOW WATER CUTOFF LOW WATER CUTOFF DETAIL NO NO YES...
Page 133: ...49 PN 240012875 REV D 03 15 2022 3 FAULT SOLUTION SECTIONS...