Worcester Appliance Repair in Abbeydale

What does error code F7 228 mean on a Worcester Bosch boiler?

Error code F7 228 on a Worcester Bosch boiler indicates a false flame fault where flame is detected before the burner has started. This is a serious safety fault. Do not use the boiler. Do not attempt any repairs yourself. If you smell gas, do not operate any electrical switches, ventilate if safe, leave the property immediately and call the gas emergency line from outside. Contact a Gas Safe registered engineer immediately for professional diagnosis.

What does error code C6 215 mean on a Worcester Bosch boiler?

Error code C6 215 on a Worcester Bosch boiler indicates the fan is running too slow. The fan is essential for safe combustion as it removes harmful flue gases from your home. Do not operate the boiler with this fault as incorrect fan speed affects combustion safety and may pose a carbon monoxide risk. Do not attempt any repairs yourself. Contact a Gas Safe registered engineer immediately.

What does error code 9U 233 mean on a Worcester Bosch boiler?

Error code 9U 233 on a Worcester Bosch boiler indicates a problem with the code plug or heat control module (HCM). The code plug may be faulty or not connected properly, or the control box may be defective. Do not attempt to access internal components. Contact a Gas Safe registered engineer for professional diagnosis as control module faults require specialist equipment.

What does error code FB 365 mean on a Worcester Bosch boiler?

Error code FB 365 on a Worcester Bosch boiler indicates the gas valve EV1 leak test has failed. This is a critical safety fault indicating a potential gas leak from the valve. Do not use the boiler under any circumstances. If you smell gas, do not operate any electrical switches, ventilate if it is safe to do so, leave the property immediately and call the gas emergency line from outside. Contact a Gas Safe registered engineer immediately. Do not attempt to reset or operate the boiler until it has been inspected and repaired.

What does error code A7 mean on a Worcester Bosch combi boiler?

Error code A7 on a Worcester Bosch combi boiler indicates the domestic hot water temperature sensor (NTC) is defective. The boiler may still produce hot water but with less accurate temperature control. Turn off the boiler. Do not attempt to access internal components. Contact a Gas Safe registered engineer to inspect and replace the faulty sensor.

What is the warranty on Worcester Bosch boilers?

Worcester Bosch boilers come with warranties of up to 12 years depending on the model and whether installed by a Worcester Bosch accredited installer. Standard warranties typically start at 5 years, with extended warranties available when registered within 30 days of installation.

Can I use artificially softened water in my Worcester Bosch heating system?

Worcester Bosch recommend that water softeners can be used to prevent scaling in the hot water circuit, but the central heating circuit should be filled with hard water and a chemical inhibitor instead. When filling or topping up the heating system, either use the water softener bypass or connect the filling loop feed upstream of the water softener.

How do I repressurise my Worcester Bosch boiler?

To repressurise a Worcester Bosch boiler, locate the filling loop (a flexible silver hose with one or two valves), open the valves slowly until the pressure gauge reads between 1 and 1.5 bar, then close the valves securely. Some models use a filling key or blue lever system instead of a traditional filling loop.

Can I use third party controls with my Worcester Bosch boiler?

Yes, third party controls can be used with Worcester Bosch boilers, however the controls must be 240 volts to be compatible. For optimal performance and full functionality, Worcester Bosch recommend using their own range of controls which are designed to work seamlessly with their boilers.

Should I turn my Worcester Bosch oil boiler off when my oil tank is being filled?

Yes, Worcester Bosch recommend turning your oil boiler off when your oil tank is being filled and keeping it off for approximately 30 minutes afterwards. This prevents sediment that has accumulated at the bottom of the tank from being disturbed and drawn into the fuel line, which could cause damage to the system.