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Excellent 4.8 out of 5
Excellent 4.8 out of 5

ELNUR Boiler Error Codes 2021

ELNUR Mattira Combi Error Codes

ELNUR Mattira System Error Codes

ELNUR Combi Boiler Error Codes

Fault Code System Behaviour
Boiler won’t start Power is not going to boiler. Possible central heating overheat switch tripped, DHW (domestic hot water) overheat switch tripped or DHW tank empty
E1 Heating water out temperature probe defective
E2 Heating water return temperature probe defective
E3 Low heating system pressure, pump not turning, air in system, system resistance too high or blocked
E6 Defective DHW tank temperature sensor
E8 Defective outdoor temperature sensor error or not present
Heating system water discharging from 3 bar safety valve Excessive heating system pressure
Domestic water discharging from 7 bar valve Excessive pressure in water system
The buttons do not respond Control panel blocked
Low heating temperature Settings too low, failure heating elements, heat requirements miscalculated

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ELNUR Mattira System Error Codes

Fault Code System Behaviour Possible solution / cause
Boiler will not start No power to boiler, central heating overheat switch tripped Check incoming power supply and that boiler control switch is on
Fault E1 Heating water out temperature probe defective Contact an engineer
Fault E2 Heating water return temperature probe defective Contact an engineer
Fault E3 Low heating system pressure pump not turning, air in system, system resistance too high or blocked Replacement pump might be needed
Fault E8 Defective outdoor temperature sensor not present This sensor is optional, check connections & replace sensor if necessary, check parameter settings are correct
Heating system water discharging from 3 bar safety valve Excessive heating system pressure Check filling loop has not been left connected and is not letting water pass – disconnect filling loop hose & check expansion vessel
The buttons do not respond Control panel blocked Check 6.8 in user guide
Low heating temperature Settings too low, failure of heating elements, heat requirements miscalculated Check temperature and output selected – recalculate and configure

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Excellent 4.8 out of 5
Excellent 4.8 out of 5

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