What are the fault codes on a Worcester boiler?
Table of Contents
What are the fault codes on a Worcester boiler?
Worcester Bosch CDi Classic Regular Boiler
| Fault code | Description |
|---|---|
| B1 | Code plug not detected |
| C6 | Fan speed to low or too high |
| E2 | Central heating (CH) flow negative thermistor coefficient (NTC) sensor defective |
| E9 | Safety temperature limiter in central heating (CH) flow has tripped |
What is air purge mode?
Air purge mode. The boiler will not fire, but will pulse the pump on and off. This should only happen when the boiler is first switched on after installation, or if a circuit board is changed. It will last about 15 minutes, then the boiler will go back to normal operation.
How do you fix an EA fault on a Worcester boiler?
Press and hold the reset button for 5 seconds to see if the system relights. This fixes the problem in the majority of cases and can be tried once or twice to see if you can resolve it.
Why is my Worcester boiler flashing?
When a Worcester Bosch has a fast flashing blue light this means the boiler has gone into service mode. This could be for two potential reasons. Either the boiler has been serviced recently and has accidentally been left in its service mode or, alternatively, you may have accidentally knocked the switch yourself.
What causes EA fault on Worcester boiler?
“EA” fault codes or “EA” error codes according to Worcester Bosch boiler manual: “Indicates that the flame hasn’t been detected”. In our experience we have found multiple reasons for this, and the most common being a blocked or frozen Condense pipe, or no gas supply found during ignition, amongst others.
What does it mean when your boiler flashes EA?
EA – There is an error where the pump is not detecting water – check pressure gauge and repressurise to 1 bar.
Why does my boiler fire up randomly?
When the water pressure in your central heating system is too high, it can cause damage to system components, and the boiler will shut down for safety reasons. Once the coast is clear and the water pressure has dropped, the boiler will fire up again and initiate the pre-heat cycle.
Why does my boiler keeps shutting off?
If there is an issue with your temperature control valve or TCV as they’re known, it means that the water temperature in your boiler is no longer regulated. If the temperature gets too high it can cause leaks within your system. This will cause your boiler to shut off to protect itself from overheating.
What causes boiler to trip?
Damaged wiring or poor insulation Other boiler components that could be tripping the electricity include the insulation or wiring. Any parts of your boiler open to moisture either from outside or in could cause the RDC switch to trip as a precaution.
What does it mean when the boiler is flashing?
Usually, when modern boilers need resetting they will display a fault code or begin to flash a red or green light. These signals indicate that your boiler senses a problem, which is why it has stopped working and needs to be reset.
What does the reset button do on a Worcester Bosch boiler?
Worcester Greenstar i Junior Boiler Reset To reset the boiler press the reset button for approximately five seconds. When the boiler resets the reset button will no longer be illuminated. The mains indicator will no longer be flashing.
Can air get trapped in combi boiler?
Very often, when the boiler is commissioned, some air could get trapped into the pump, but normally the pumps are fitted with an automatic air vent (which looks like a bicycle valve) where the little screw cap should be released.
What are the fault codes on a Worcester Bosch Greenstar boiler?
Worcester Bosch Greenstar Ri Boiler Faults 7. Worcester Bosch Greenstar 8000 life Combi Boiler Error Codes 1. CDI Classic Combi / CDI Highflow Combi Boiler Error Codes Either water is leaking or the pump needs freeing or replacing due to the pump running dry. The best course of action is to bleed your radiators and check your boiler pressure.
Are there any problems with Worcester Bosch boilers?
Although Worcester Bosch boilers are of high quality, problems can start to present themselves as with any boiler. Some issues are more common than others when it comes to Worcester Bosch boiler error codes. So it’s worth knowing how to identify these (and find solutions for them) in advance.
What does lockout mean on a Worcester Bosch boiler?
When there’s a fault with your Worcester Bosch boiler, the unit will lockout for safety reasons until it has been fixed, which will prevent it from operating but also save it from further damage.
Where is the reset button on a Worcester Bosch boiler?
With most Worcester Bosch boiler models, resetting the boiler is as easy as pressing and holding the reset button for about 3-5 seconds. The button is typically located on the boiler control panel. Note that simply resetting the boiler will not eliminate the fault that caused it to lock out in the first place.
