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Overview of the Logic Code Combi ES as a wall-mounted, room-sealed condensing combination boiler.
Requirement for installation by a Gas Safe Registered Engineer according to regulations.
Details on the required electrical supply, earthing, and fusing for the appliance.
Critical warnings regarding operation, user safety, and maintenance requirements.
How to set the boiler for central heating and hot water or hot water only.
Adjusting the domestic hot water temperature settings and flow rates.
Adjusting the central heating radiator temperature settings.
How weather compensation affects central heating temperature control.
Procedures for safely shutting down and restarting the boiler.
Guidance on preventing frost damage to the boiler and system.
Explanation of boiler overheat protection and flame failure indicators.
Understanding system pressure and how to repressurise the boiler.
Instructions for dealing with frozen condensate pipes and blockages.
Recommendations for boiler settings to prevent issues during cold periods.
Immediate steps to take if a gas leak or fault is suspected.
Guidelines for cleaning the boiler exterior safely and effectively.
The necessity for annual servicing by a qualified Gas Safe Registered Engineer.
Guides for diagnosing and resolving no hot water or no central heating problems.
Explanation of the display codes and their corresponding boiler operating states.
Action to take if the outside sensor failure code is displayed.
Guidance for addressing low mains voltage issues affecting the boiler.
What to do if the boiler displays an unconfigured PCB fault code.
Action for the 'No Water Flow Thermistor' fault code.
Procedure for resetting the boiler after multiple reset attempts.
Action to take for a false flame lockout fault code.
Troubleshooting steps for the BCC Activation Fault.
Action to take for a BCC Fault displayed on the boiler.
Checking system pressure and action for low water pressure fault.
What to do if the boiler displays a flow temperature overheat fault.
Action for the 'No Water Flow' fault code.
Procedure for flame loss faults and checking gas supply.
Action to take if a fan fault is detected by the boiler.
Action for a fault related to the flow thermistor.
Action for a fault related to the return thermistor.
Action for repeated boiler reset attempts.
General