Ariston Appliance Repair in Barton and Tredworth

What does error code 502 mean on an Ariston boiler?

Error code 502 on an Ariston boiler indicates a flame is being detected when the gas valve should be closed. This is a serious gas-related fault. Do not attempt to fix this yourself. Switch off the boiler immediately. If you smell gas, do not operate any switches, ventilate the area if safe to do so, leave the property and call the Gas Emergency line from outside. Contact a Gas Safe registered engineer immediately.

What does error code 913 or 914 mean on an Ariston heat pump?

Error codes 913 or 914 on an Ariston heat pump (Nimbus series) indicate a faulty heat pump flow sensor (AC or DC side) or LWT/TR sensor error. Switch off the heat pump and contact a qualified heat pump installer to check and replace the flow or temperature sensors.

What does error code 705 mean on an Ariston boiler?

Error code 705 on an Ariston boiler (Evo models with multi-zone heating) indicates the hydraulic separation sensor is defective. Switch off the boiler and contact a Gas Safe registered engineer to check and replace the hydraulic separator sensor.

What does error code 108 mean on an Ariston boiler?

Error code 108 on an Ariston boiler indicates low water pressure in the heating circuit. Check the pressure gauge and repressurise the system using the filling loop until it reads between 1.0 and 1.5 bar. If pressure keeps dropping, this may indicate a leak - contact a Gas Safe registered engineer.

What does error code 802 mean on an Ariston boiler?

Error code 802 on an Ariston boiler indicates the automatic combustion calibration has failed. This is a combustion-related fault. Do not use the boiler. If you smell gas or fumes, do not operate any switches, ventilate the area if safe to do so, leave the property and call the Gas Emergency line from outside. Contact a Gas Safe registered engineer to check the combustion settings and gas valve.

Why is my Ariston water heater leaking from the bottom?

Leaking from the bottom of the unit suggests a faulty or damaged heating element. Scale buildup on the heating element can cause this problem. Switch off the water heater at the electrical supply immediately and turn off the water supply to the unit. Water and electricity are a dangerous combination. Contact a qualified technician for inspection and repair.

What is a modulating thermostat and how does it work?

A modulating thermostat uses advanced technology to communicate with your boiler in real time, maintaining constant temperatures by adjusting the boiler's output based on heating needs rather than simply turning it on and off.

Where should I position my Ariston thermostat for best results?

Thermostats should be placed centrally in busy areas of the home, away from heat sources, direct sunlight, heating pipes, and household appliances that generate heat.

What are the benefits of using an Ariston modulating thermostat?

Benefits include improved living comfort without temperature fluctuations, considerable energy savings through reduced consumption, lower polluting emissions, reduced utility bills, enhanced household energy efficiency, and prolonged boiler lifespan.

What is the defrost cycle on my Ariston Nimbus heat pump?

The defrost cycle removes frost buildup from the outdoor unit in cold weather. When sensors detect frost, the heat pump briefly reverses to send warm refrigerant to the outdoor coils, melting the ice. This typically lasts 5-15 minutes and may occur every 30-60 minutes on cold, damp days. During defrost, the system may temporarily blow cooler air indoors. This is normal operation.