Worcester Boiler Fault Codes

No Power To Worcester Boiler

If you have no power to your worcester boiler then the first thing to check is your power. Check to make sure your electric hasn’t tripped or the fuse to the boiler hasn’t blown. As a Gas Safe registered heating company covering a 15 mile radius of Leighton Buzzard, Milton Keynes, Dunstable and Aylesbury we are able to investigate the cause of no power to your worcester boiler and offer a fixed price boiler repair service

Worcester Bosch Greenstar Ri Error Codes

Worcester Bosch Greenstar Ri flashing light fault codes

No light

No power at boiler

Check power to boiler has not been turned off or the power hasn’t tripped. If you have power call us for a fixed price boiler diagnosis and repair.

Light on

Boiler is operating normally

The boiler is on standby waiting for a demand from heating and/or hot water

Slowly flashing
(mostly off but flashes on)

Ignition lockout

Check you have gas by trying other gas appliances if you have them. If your boiler remains the same then give us a call to help with diagnosis and repair.

Slow flash
(mostly on but flashes off)

The boilers flue or heat exchanger has overheated

You will need to ask a Gas Safe engineer to come and investigate the cause. We are available 24/7 by ringing 07584 373876

Slow flash
(mostly on but flashes off)

The boilers flue or heat exchanger has overheated

You will need to ask a Gas Safe engineer to come and investigate the cause. We are available 24/7 by ringing 07584 373876

Worcester CDi & Junior Fault Codes

Fault codes for Worcester boilers with electronic displays

9A

Incorrect heating control module fitted

Contact Us To Rectify

9A

Incorrect heating control module fitted

Contact Us To Rectify

9B

Code plug incorrectly fitted

Contact Us To Rectify

9A

Control board requires replacement

Contact Us To Rectify

C6

System speed incorrectly set

Contact Us To Rectify

C7

Fan or flue fault

Contact Us To Rectify

D1

Sensor fault, will lock out for 300 seconds – Boiler overheating

Contact Us To Rectify

E3

Flow sensor fault

Contact Us To Rectify

E5

Flow sensor overheating

Contact Us To Rectify

E9

The main heat exchanger has over heated or sensor fault

Contact Us To Rectify

EA

Failure to ignite

Contact Us To Rectify

EA

The flame has been extinguished due to moisture

Contact Us To Rectify

EA

Gas valve fault

Contact Us To Rectify

EA

Pump fault

Contact Us To Rectify

A1

Low water pressure

Top up water pressure to 1 bar

C1

Fan has failed

Contact Us To Rectify

EA

Boiler has failed to start

Contact Us To Rectify

EF

Burner is on low with high flow temperature

Contact Us To Rectify

260

Sensor fault due to low water pressure

Contact Us To Rectify