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SECTION 9 - faulT COdES
32
Return Thermistor
Returntemperaturegreaterthanowtemperature.PleasecontactMorco.
9 FAULT CODES
5 Boiler Resets in 15 minutes
1. Turn electrical supply to boiler off and on.
2. If the boiler fails to operate please contact
Morco
(if under warranty) or alternatively a
Gas Safe Registered Engineer if outside of the warranty period. In all other countries
contact a Registered Gas Installer.
False Flame Lockout
Restart the appliance - if the boiler fails to operate then please contact
Morco
(if under
warranty) or alternatively a Gas Safe Registered Engineer if outside of the warranty
period. In all other countries contact a Registered Gas Installer.
BCC Activation Fault
Restart the appliance - if the boiler fails to operate then please contact Morco (if under
warranty) or alternatively a Gas Safe Registered Engineer if outside of the warranty
period. In all other countries contact a Registered Gas Installer.
DISPLAY CODE ON BOILER
DESCRIPTION
Low Water Pressure
ACTION
Checksystemwaterpressureisbetween1&1.5baronthesystempressure
gauge (G).
To re-pressurise the system see Section 3. If the boiler still fails to operate then please
contact Morco (if under
warranty) or alternatively a Gas Safe Registered Engineer if outside
of the warranty period. In all other countries contact a Registered Gas Installer.
Checksystemwaterpressureisbetween1&1.5baronthesystempressure
gauge (G).
To re-pressurise the system see Section 3. If the boiler fails to operate then please contact
Morco
(if under
warranty) or alternatively a Gas Safe Registered Engineer if outside of the
warranty period. In all other countries contact a Registered Gas Installer.
Flow Temperature Overheat
or No Water Flow
BCC Fault
Flame Loss
Flame Loss
1.Checkothergasappliancesinthehouseareworkingtoconrmasupplyispresentin
the property.
2
.
If other appliances do not work or there are no other appliances, check the gas supply is on
at the meter and/or pre payment meter has credit. If the boiler fails to operate then please
contact Morco (if under warranty) or alternatively a Gas Safe Registered Engineer if outside
of the warranty period.
In all other countries contact a Registered Gas Installer.
1.Checkothergasappliancesinthehouseareworkingtoconrmasupplyispresentin
the property.
2.
If other appliances do not work or there are no other appliances, check the gas supply
is on at the meter and/or pre payment meter has credit. If the boiler fails to operate then
please contact
Morco
(if under warranty) or alternatively a Gas Safe Registered Engineer if
outside of the warranty period.
In all other countries contact a Registered Gas Installer.
Fan Fault
Restart the appliance - if the boiler fails to operate then please contact
Morco
(if under
warranty) or alternatively a Gas Safe Registered Engineer if outside of the warranty
period. In all other countries contact a Registered Gas Installer.
Flow Thermistor
Restart the appliance - if the boiler fails to operate then please contact
Morco
(if under
warranty) or alternatively a Gas Safe Registered Engineer if outside of the warranty
period. In all other countries contact a Registered Gas Installer.
Return Thermistor
Restart the appliance - if the boiler fails to operate then please contact
Morco
(if under
warranty) or alternatively a Gas Safe Registered Engineer if outside of the warranty
period. In all other countries contact a Registered Gas Installer.
Outside Sensor Failure
Restart the appliance - if the boiler fails to operate then please contact
Morco
(if under
warranty) or alternatively a Gas Safe Registered Engineer if outside of the warranty
period. In all other countries contact a Registered Gas Installer.
Low Mains Voltage
Contactaqualiedelectricianoryourelectricityprovider.
UnconguredPCB
UnconguredPCB.Pleasecontact
Morco
(if under warranty) or alternatively a Gas Safe
Registered Engineer if outside of the warranty period. In all other countries contact a
Registered Gas Installer.
32


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  • We have this Boiler fitted in our Caravan and not had a trouble till we had the boiler serviced since then the boiler will deal with the hot water but if you put it onto timer for the central heating the boiler comes in and when it gets to temperature goes out but then when the temperature drops the boiler does not come back in and shows L-2 which means it’s locked out please advice what can be the trouble thankyou Submitted on 10-11-2021 at 19:52

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  • Je voudrais savoir pourquoi s affiche sur l écran de contrôle F 9 qui clignote. Et pas d eau chaude. Submitted on 29-6-2021 at 18:11

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  • Hot water working but no heating and no fault codes Submitted on 12-4-2021 at 18:39

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