Keston Appliance Repair in Furnace Green

What does error E44 mean on a Keston C40 or C55 boiler?

Error E44 on a Keston C40 or C55 boiler indicates low water pressure. Use the filling loop to add water until pressure reaches approximately 1.2 bar. If pressure drops repeatedly, check for leaks and contact an engineer.

What does error E24 mean on a Keston C36 boiler?

Error E24 on a Keston C36 boiler indicates water pressure has been lost four times in 24 hours, suggesting a possible leak. Check around radiators and pipework for signs of water and contact a heating engineer to locate and repair any leaks.

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 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 E02 mean on a Keston Qudos boiler?

Error E02 on a Keston Qudos boiler indicates ignition failure after five attempts. 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 that gas supply is on, the flue terminal is clear, and the condensate pipe is not blocked. Try resetting the boiler. If the fault persists, contact a Gas Safe registered engineer.

How do I prepare my Keston boiler for winter?

Run the boiler and radiators at maximum temperature for approximately 15 minutes to identify any problems. Check visually for signs of damage, leaks, or loose connections. Bleed your radiators to release trapped air. Check the pressure gauge and repressurise if below 1.0 bar. Insulate exposed condensate pipework to prevent freezing.

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.

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.

Why does my Keston boiler keep losing pressure?

Frequent pressure loss usually indicates a leak somewhere in the heating system. This could be in the boiler, radiators, pipework connections, or the pressure relief valve. Check around radiators and beneath the boiler for signs of water. If you need to repressurise more than twice per year, contact a Gas Safe registered engineer.

What is checked during a Keston boiler service?

A Gas Safe engineer will inspect for corrosion and leaks, check the flame burns blue, examine flue terminals and seals, test gas pressure and flow settings, check the expansion vessel pressure, clean the burners, and inspect all key components for wear. The boiler is also tested operationally.