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2021 Elnur Boiler Error & Fault Codes


To begin with, Elnur boilers are easy to operate making them ideal for use by all ages and abilities. The intelligent boiler control systems provide a variety of features which includes setting the heating temperature on a daily basis or over a weekly period. The information on the display panel provides instructions on how to change these settings.

It's this same control panel that will display any error codes to you should you Elnur boiler experience any issues.

Error codes occur when things go wrong in your boiler. There are several different error codes for Elnur boilers. We've compiled a list of the ones you may encounter on this page for reference. It's important to call out a local engineer to carry out any repairs that may be needed.

Combi Boiler Error Codes


Elnur combi boilers operate perfectly most of the time. However, when they do go wrong, it is usually a result of the thermostat having been incorrectly set or simply not set at all. If the boiler returns an error code then there is a very simple fix to get it back up and running again.

The following table displays the Elnur combi boiler error codes you many encounter. Note that it is normal for some of these error codes not to be displayed if the boiler has been in service for several hours since failure.

Fault Code Possible Cause
E1Heating water out temperature probe defective
E2Heating water return temperature probe defective
E3Low heating system pressure, pump not turning, air in system, system resistance too high or blocked
E6Defective DHW tank temperature sensor
E8Defective outdoor temperature sensor error or not present

Mattira System Boiler Error Codes


Mattira System boilers are very reliable, but if problems do crop up you need to know how to fix them yourself. The best way to cope with Mattira boiler problems is to know in advance what they are and how to deal with them.

The Elnur Mattira System Boiler is a heat producing machine. To be at its most efficient, the boiler system must be properly maintained and operated. Check out the list below to help you figure out what the Mattira system error messages are telling you when something goes wrong with your system.

Fault Code Possible Cause
E1Heating water out temperature probe defective
E2Heating water return temperature probe defective
E3Low heating system pressure pump not turning, air in system, system resistance too high or blocked
E8Defective outdoor temperature sensor not present
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