Keston Appliance Repair in Cheadle West & Gatley

What does error E28 mean on a Keston boiler?

Error E28 on a Keston boiler indicates a fan fault preventing safe operation. Contact a Gas Safe registered engineer to inspect and test the fan.

What does error F2 mean on a Keston S30 boiler?

Error F2 on a Keston S30 boiler indicates flame loss during operation. If you smell gas, do not operate any switches or appliances, ventilate the area if safe to do so, evacuate the property, and call the gas emergency services from outside. Otherwise, check if the condensate pipe is frozen and thaw if necessary. Try resetting the boiler. If the fault recurs, contact a Gas Safe registered engineer.

What does error E03 mean on a Keston C36 boiler?

Error E03 on a Keston C36 boiler indicates boiler overheat. Allow the boiler to cool down, check that radiator valves are open and the pump is running. Contact a qualified engineer to investigate potential blockages and pump operation.

What does error E03 mean on a Keston C40 or C55 boiler?

Error E03 on a Keston C40 or C55 boiler indicates the gas valve is faulty or not properly connected. If you smell gas, do not operate any switches or appliances, ventilate the area if safe to do so, evacuate the property, and call the gas emergency services from outside. Do not attempt any repairs. Contact a Gas Safe registered engineer immediately as gas valve faults must only be handled by qualified professionals.

What does error E52 mean on a Keston Qudos boiler?

Error E52 on a Keston Qudos boiler indicates flue overheat. This requires a service reset and professional inspection. Contact a Gas Safe registered engineer immediately.

Why does my Keston combi boiler preheat periodically?

Keston combi boilers have a preheat function that fires the boiler briefly, approximately every 90 minutes, to keep water in the hot water calorifier warm. This reduces waiting time for hot water at the tap. If the boiler is installed in a bedroom or noise-sensitive area, the preheat function can be switched off using the preheat switch on the boiler.

What are the flue clearance requirements for a Keston boiler?

Flue terminals must be positioned at least 300mm from windows, doors, or other openings. They must be at least 600mm above flat roofs, 75mm below guttering, and maintain 2 metres above ground level where possible. A terminal guard is required if the 2-metre height cannot be achieved. Only a Gas Safe registered engineer should install or modify boiler flues.

How do I register my Keston boiler warranty?

Your Keston boiler warranty must be registered within 30 days of installation to qualify for the full warranty period. If not registered within 30 days, the warranty is limited to 12 months. Your installer may have already registered the warranty on your behalf. To check or register, you will need the boiler serial number and installation date.

Are Keston boilers compatible with smart thermostats?

Keston boilers are compatible with OpenTherm technology, which allows communication between the boiler and smart thermostats. OpenTherm-compatible thermostats enable the boiler to modulate its output for improved efficiency and comfort. Popular smart thermostats with OpenTherm support can achieve energy savings of up to 14 percent compared to standard on-off controls.

Where do I find the serial number on my Keston boiler?

The serial number on a Keston boiler is typically found on the rating plate, which is usually located inside the front panel or underneath the boiler. The serial number is needed for warranty registration and when ordering spare parts. If you have the original service book, the serial number should also be recorded there.