Warning!  Only registered gas installers are allowed to work on combustion equipment.  If you are not a registerd gas installer please contact us and we will put you in touch with one.  Unfortunately, we are only permitted to provide technical support to RGIs.


When troubleshooting a gas boiler, it is essential that a full safety check is carried out.  We always recommend following the procedures in the following guide regardless of the fault.


Fault Codes

To assist in troubleshooting, we have summarised the most common fault codes below.

 Fault Code Possible Cause Solutions
E1 No Gas Check gas supply
E2 No water pressure Check water pressure


Additional information

Setting the gas valve - WATCH VIDEO

Commissiong using chimney sweep mode - WATCH VIDEO

Exploded diagram - DOWNLOAD PDF