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The following explains how to check that the boiler is working as heat i= s not getting to any rooms.
The boiler (or alternate heat source = such as air-source heat pump) is controlled by the Genius Single or Dual Ch= annel Receiver to provide hot water to the rooms which require heat.
= If the boiler stops working, no hot water can reach the rooms (and possibly= the hot water tank) and so they will not heat up whether the Genius Hub is= calling for heat or not.
No= w the room needs to be called on, so that the boiler calls for heat.=
Override the zone by= :The room wil=
l now call for heat, which will send a message to the controlling devices i=
n that zone (e.g. Genius Radiator Valves for radiator rooms) and send a cal=
l for heat to the boiler.
After 5 minutes, go to the boiler in = question.
The boiler should now be firing, and hot water being distri= buted around the system. For most boilers this can be seen by a heating lig= ht (often shown by a flame symbol) being lit, the window to the gas showing= a much larger flame, a heating symbol on the boiler (often a flame or radi= ator symbol) or a rising temperature on the screen. You should also be able= to hear the pump start up to distribute hot water around the pipework, whi= ch you should be able to tell be placing your hand near the pipework= .
Note: take care not to injure yourself on the hot pipework= .
1. If the boiler is firing and water is passing through the pi= pework: This means that the boiler working correctly.
2. The boiler i= s not firing and an error is shown on the boiler (often shown by an error c= ode on the screen or a flashing light which may have the word error or a sp= anner next to it): The boiler has an error and so is not working. See the n= ext step for possible errors to check for.
3. If the boiler is firing= but water is only passing through the pipework, check that the zone valve = (if any are present) are working using the Doctor. Alternatively, if you ca= nnot hear the pump running, there may be a problem with the pump and a heat= ing engineer should be consulted.
4. If the boiler is not firing, but= the Single / Dual Channel Receiver is calling for heat. When the Single Ch= annel Receiver is calling for heat, a solid Green light is shown on the dev= ice. When the Dual Channel Receiver is calling for heat, this can be seen b= y pressing and holding the relevant White button (underneath the door on th= e right-hand side) and the light at the top left turns Green: There is a pr= oblem with either the wiring to the boiler or to the zone valve (if any are= present) which should be investigated by a heating engineer.
Boiler errors
= If the boiler has an error it will not heat up water until this has been fi= xed, no matter if a call for heat is present or not. The most common boiler= errors are:
1. Low water pressure: There is often a dial on the= front of the boiler which points to the water pressure with sections colou= red red and green. If the needle is not pointing to a green section, the wa= ter pressing in the system will need to be adjusted, if low more water will= need to be added. See you boiler manual for instructions on how to do this= .
2. No pilot light: Some boilers have a pilot light which is used to= light the burners when water has been needed. See the boiler manual to fin= d out how to re-light the pilot flame.
3. No gas supply: Consult the = boiler manual or a gas engineer to find out why there isn't a sufficient ga= s supply to the boiler. If the gas has recently been temporarily shut off (= e.g. if work has been carried out in the property), the boiler may need to = be reset before it will start to heat water once more.
4. Over-heat w= arning: The boiler has detected an overheat and shut off for safety reasons= . Consult a gas engineer to find out why the boiler is not controlling the = temperature correctly.
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The override is no longer needed now that the test has been completed.=