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Ariston Boilers

Ariston Combi Boilers

Ariston combi boilers provide prompt access to hot water from the mains water supply by means of a small wall mounted boiler that are usually located in a bathroom or kitchen and hidden within a cupboard. Ariston combi boilers are economical units with low running costs that are ideally suited to apartments and small to medium sized houses with 1 to 2 bathrooms. Ariston combi boilers do no need hot water tanks or cylinders as a system boiler regular boiler requires therefore making Ariston combi boilers less expensive to install.
BoilerEfficiencyOutputWarrantyMPNBoiler Type
Ariston ALTEAS ONE NET 30kW Gas Combi Boiler90.1%30kW12 YearsCombi
Ariston ALTEAS ONE NET 35kW Gas Combi Boiler90.1%35kW12 YearsCombi
Ariston CLAS HE evo 24 Gas Combi Boiler90.1%24kW5 YearsCombi
Ariston CLAS HE evo 30 Gas Combi Boiler90%30kW5 YearsCombi
Ariston CLAS HE evo 38 Gas Combi Boiler90%38kW5 YearsCombi
Ariston Clas Net One 24kW Gas Combi Boiler90%24kW12 YearsCombi
Ariston Clas Net One 30kW Gas Combi Boiler90%30kW12 YearsCombi
Ariston Clas Net One 38kW Gas Combi Boiler90%38kW12 YearsCombi
Ariston Clas One 24kW Gas Combi Boiler90%24kW8 YearsCombi
Ariston Clas One 30kW Gas Combi Boiler90%30kW8 YearsCombi
Ariston Clas One 38kW Gas Combi Boiler90%38kW8 YearsCombi
Ariston E-COMBI evo 24 Gas Combi Boiler90%24kW2 yearsCombi
Ariston E-COMBI evo 30 Gas Combi Boiler90%30kW2 yearsCombi
Ariston E-COMBI evo 38 Gas Combi Boiler90.1%38kW2 yearsCombi
Ariston E-Combi One 24kW Gas Combi Boiler90%24kW2 yearsCombi
Ariston E-Combi One 30kW Gas Combi Boiler90%30kW2 yearsCombi
Ariston GENUS HE 24 Gas Combi Boiler90.3%24kW1 YearCombi
Ariston GENUS ONE NET 24kW Gas Combi Boiler90.1%24kW12 YearsCombi
Ariston GENUS ONE NET 30kW Gas Combi Boiler90.4%30kW12 YearsCombi
Ariston GENUS ONE NET 35kW Gas Combi Boiler90.1%35kW12 YearsCombi

Ariston Regular Boilers

BoilerEfficiencyOutputWarrantyMPNBoiler Type
Ariston CLAS HE 24kW Gas Regular Boiler90.3%24kW5 YearsRegular
Fault Code Boiler Model Possible Cause
Central Heating Circuit
101 All Boilers Overheat
102 E-Combi Evo E-System Evo Clas He Evo (Combi and system) Pressure sensor error
103 All Boilers Insufficient circulation
104 All Boilers Insufficient circulation
105 All Boilers Insufficient circulation
106 All Boilers Insufficient circulation
107 All Boilers Insufficient circulation
108 All Combi Boilers Insufficient water (request filling)
109 Clas net one / Clas one Combi Clas system one System pressure greater than 3 bar
110 All Boilers Central heating Flow temperature probe circuit open / short circuit
112 All Boilers Central heating return temperature probe circuit open / short circuit
114 All Boilers External sensor circuit open / short circuit
116 All Combi and System Boilers Floor thermostat contact open
118 All Boilers Heating delivery probe problem
1p1 All Boilers Insufficient circulation indication
1p2 All Boilers Insufficient circulation indication
1p3 All Boilers Insufficient circulation indication
1p4 Clas Net one Combi Clas one Combi Clas System one Insufficient circulation indication
D.H.W Circuit
202 Clas HE evo Clas he evo system E-combi evo E-system evo 2 bottom storage temperature probe open/short circuit
204 Clas HE evo Clas he evo system E-combi evo E-system evo Solar collector temperature probe open/short circuit
205 E-combi one E-System one Clas Net one Combi Clas one Combi Domestic hot water in probe open circuit
207 Clas HE evo Clas he evo system E-combi evo E-system evo Solar collector overheating
208 Clas HE evo Clas he evo system E-combi evo E-system evo Collector frost protection temperature
Internal printed circuit board (PCB)
301 All Boilers EEPROM error
302 All Boilers Communication error
303 All Boilers Main printed circuit board (PCB) error
304 All Boilers Too many resets (> 5) in 15 minutes
305 All Boilers Main printed circuit board (PCB) error
306 All Boilers Main printed circuit board (PCB) error
307 All Boilers Main printed circuit board (PCB) error
3P9 E-combi one E-System one Clas Net one Combi Clas one Combi Clas System one Schedule service
External printed circuit board (PCB)
407 Clas HE evo Clas he evo system E-combi evo E-system evo 7 Room sensor circuit open/short circuit
Ignition and Detection
501 All Boilers No flame detected
502 All Boilers Flame detected with gas valve closed
504 All Boilers Flame lift
5P1 All Boilers 1st ignition failed
5P2 All boilers 2nd ignition failed
5P3 All Boilers Flame cut-of
Air Inlet / Flue gas outlet
604 CLAS HE R E-Combi Evo E-System EVO Clas HE evo Combi Clas HE evo System Insufficient fan speed
610 All Boilers Thermofuse open
612 Clas HE Evo Combi Clas He Evo System E-Combi Evo E-system Evo Clas net one combi Clas one combi Clas system one Fan speed has incorrect measurement
Multi-zone Heating
701 E-Combi Evo E-System EVO Clas HE evo combi Clas he evo system Zone 2 outgoing sensor defective
702 E-Combi Evo E-System EVO Clas HE evo Combi Clas HE evo System Zone 2 return sensor defective
703 E-Combi Evo E-System EVO Clas HE evo combi Clas he evo system Zone 3 outgoing sensor defective
704 E-Combi Evo E-System EVO Clas HE evo Combi Clas HE evo System Zone 3 return sensor defective
705 E-Combi Evo E-System EVO Clas HE evo combi Clas he evo system Hydraulic separation sensor defective
706 E-Combi Evo E-System EVO Clas HE evo combi Clas he evo system Zone 2 overheating
707 E-Combi Evo E-System EVO Clas HE evo Combi Clas HE evo System Zone 3 overheating
Fault Code Possible Cause
External printed circuit board (PCB)
411 Room sensor circuit open or short circuit zone 1
412 Room sensor circuit open or short circuit zone 2
414 Room sensor circuit open or short circuit zone 3
Multi-zone Heating
701 Send sensor defective (Zone 1)
702 Send sensor defective (Zone 2)
703 Send sensor defective (Zone 3)
711 Return sensor defective (zone 1)
712 Return sensor defective (zone 2)
713 Return sensor defective (zone 3)
722 Overheating in zone 2
723 Overheating in zone 3
750 All heating zones locked