What are the fault codes on a Worcester boiler?
What are the fault codes on a Worcester boiler?
Worcester Bosch CDI Highflow Combi Boiler Error Codes
| Fault Description | System Behaviour |
|---|---|
| D6 | Internal heat bank overflow |
| EA | Flame not detected |
| E2 | Primary negative thermistor coefficient (NTC) defect |
| E9 | Safety temperature limiter in central heating (CH) flow stat tripped |
Why is my Worcester boiler flashing numbers?
The boiler is programmed to increase its flow temperature by a certain number of degrees per minute. The display will flash between this symbol and the flow temperature. The heating circuit pump is blocked, please ring 0330 123 9559 to arrange an engineer appointment.
How do I clear the error code on my Worcester boiler?
When there is a locking error, the boiler will display the error code, cause code and flash a warning triangle. After the boiler has been fixed then you will need to press the boiler reset button for 3 seconds to clear the codes.
What does ionisation fault mean on a boiler?
This shows that there is a loss of ionisation signal detected before burner start or during operation. If the temperature sensor correctly installed, the pressure should be between 1.0 and 1.5 bars. Connections need checking, and the boiler should be reset if ionisation detected after ignition to resolve the issue.
What does H mean on Worcester boiler?
The symbol something like a hh or HH with missing digits indicates the boiler is in a form of commissioning mode. When some Worcester boilers are first turned on they will fill the siphon and display this symbol. Interruptions in power supply to the boiler can result in a reentering of this mode.
What does code EA mean on a Worcester boiler?
not detected a flame
Fault Code EA = the boiler has not detected a flame when it has tried to light. Firstly there is no need to panic and think that means gas is just pouring out of your boiler. The EA fault code is an activation of a safety device to prevent any gas being let out when the boiler has failed to light.
What does Man with Ladder mean on boiler?
Its a service function for when someone comes to do checks on the boiler. Looks like a Vaillant. 1.
What number should my Worcester boiler be on?
During the winter, the ideal temperature setting should be 18-21 degrees. In areas that get extremely cold, then 21-23 degrees would be sufficient. If you have taken additional measures to retain heat such as wall insulation or draught-proofed windows and doors, then you could set your thermostat to 17 degrees.
What does fault code EA mean on a Worcester boiler?
has not detected a flame
What does HH mean on a Worcester boiler?
commissioning mode
The symbol something like a hh or HH with missing digits indicates the boiler is in a form of commissioning mode. When some Worcester boilers are first turned on they will fill the siphon and display this symbol. Interruptions in power supply to the boiler can result in a reentering of this mode.
What does EA mean on a Worcester?
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 causes a fault code on a Worcester Bosch boiler?
Condensing boilers like Worcester Bosch, have a condensate pipe. This vents harmful gases from your property. Unfortunately, it’s a common problem with Worcester’s that the condensate pipe gets blocked. This will cause an EA229 fault code to be displayed on your boiler.
What to do if your boiler has 24i RSF?
Ensure that the controls circuit thermostat is calling for heat. Follow the troubleshooting chart below to trace your 24i RSF issue and identify your boiler’s diagnosis. You will then be able to find the a suitable replacement part and fix your boiler.
Where can I find the Bosch benchmark initiative?
Contact Worcester, Bosch Group Technical Department, Telephone: 08705 266241, for advice on specific installations. In Eire call 01 494 0099. 2.1 The Benchmark initiative is the new code of practice to encourage the correct installation, commissioning and servicing of domestic central heating boilers and system equipment.
What should I do if my Worcester Boiler is leaking?
When a Worcester boiler gets below a certain pressure, it will lock out. To fix this, you’ll need to re-pressurise it using the external filling loop. But, that’s only a temporary fix. To solve the problem with your Worcester, and clear any fault codes, the leak needs to be found and fixed.
