Worcester Bosch Highflow 400 Troubleshooting

Many will also have a display containing a fault code and sometimes a numerical cause code (the most advanced will provide a written description too). Worcester Greenstar boilers indicate a problem with a prominent blue flashing light. If all of the above is in order, it is time to look more closely at the signals your boiler is presenting to you. Please note, iIf you have an older system with a tank in the loft, the pressure is maintained automatically and you probably won’t find a gauge.įinally, check the gas supply to other appliances in your home (gas fire, cooker, etc.) If these are not working either and your gas supply is set to be on, your should call your gas supplier for advice. If it is in the red (low or high) you will need to call a Gas Safe registered engineer. Check that the pointer is in the green zone and is around 1.5 bar. In many Worcester Greenstar boilers, this will be behind a flap at the bottom. If it is set to ‘timed,’ it will only come on between the times you set. If the heating and hot water are set to ‘off,’ your boiler will not come on. Next, check the control panel for your heating and boiler (you may need to retrieve the instructions manual). to below 18 degrees) then your system will only request heat when the temperature of your room drops to below that level – which may not happen often. If the dial has been turned down too low (e.g. There are many designs but most will include a dial and a digital readout. Next, check your overall room thermostat. This will be a dial on the boiler with numbers or possibly a ‘min’ and ‘max’ setting. You will need to check:Ĭontrols and thermostats. Losing your heating and hot water is a source of stress but can often be due to a simple cause.īefore resetting your boiler, make sure your system is actually calling for heat. Read on to find out how to carry out some simple checks before learning how to reset a Worcester Greenstar boiler: Simple Troubleshooting Steps Of course, if a problem persists or you are worried for your personal safety, you should call Moreheat or another Gas Safe registered company first. However, it is often possible to reset your boiler and at least get your hot water and heating back – at least until you have the system serviced thoroughly. However, we sometimes come across cases where people have been without heat unnecessarily because they were unaware that they could reset their boiler or were afraid that attempting to reset their boiler would damage it.Īll Worcester Greenstar boilers are designed with safety as a priority and will shut down at the first sign of a problem. In most cases, when we receive a call about a Worcester Greenstar boiler problem, it is because of a problem that does requires a Gas Safe heating engineer to fix. HOW TO RESET A WORCESTER GREENSTAR BOILER

Worcester Bosch Highflow 400 Troubleshooting