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Ariston — Ariston Clas HE
Select a fault code
Fault Codes
101Ignition failure🔄 Try Reset
No flame established during start sequence.
103High limit thermostat🔧 Engineer Required
Overheating safety device has activated.
108Low water pressure🔄 Try Reset
Pressure dropped below minimum — boiler locks out.
110Overtemperature🔧 Engineer Required
Flow temperature too high — safety cut-out.
128PCB fault🔧 Engineer Required
Control board internal error.
601Pump fault🔧 Engineer Required
Insufficient water circulation detected.
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Protect against future repair bills
Boiler cover means no surprise costs when things go wrong
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HometreeFrom £7/month
Boiler & heating cover with no call-out fees
HomeServeFrom £9/month
24/7 call-out, 4-hour emergency response
British GasFrom £10/month
Nationwide network of engineers
Prices shown are indicative — actual cost depends on your boiler age and policy type.
Compare repair costs →📞 Ariston Direct Support
Gas Emergency
🚨 0800 111 999
Free, 24/7 — if you smell gas
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