Ariston Appliance Repair in Langley Green & Tushmore

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 2P8 mean on an Ariston heat pump?

Error code 2P8 on an Ariston heat pump indicates a low pressure warning in the heating circuit. Check the system pressure gauge and repressurise using the filling loop if below 1.0 bar. If pressure keeps dropping, contact a qualified heat pump installer to check for leaks.

What does error code 701 or 702 mean on an Ariston boiler?

Error codes 701 or 702 on an Ariston boiler (E-Combi Evo, E-System Evo, Clas HE Evo models with multi-zone heating) indicate the zone 2 outgoing or return temperature sensor is defective. Switch off the boiler and contact a Gas Safe registered engineer to check and replace the zone 2 sensors.

What does error code 924 mean on an Ariston heat pump?

Error code 924 on an Ariston heat pump (Nimbus series) indicates a communication error with the heat pump outdoor unit. Switch off the heat pump and check all cable connections between indoor and outdoor units. Contact a qualified heat pump installer if the error persists.

What does error code 706 or 707 mean on an Ariston boiler?

Error codes 706 or 707 on an Ariston boiler (Evo models with multi-zone heating) indicate overheating in zone 2 or zone 3 respectively. Switch off the boiler and allow it to cool down. Check that radiator valves in the affected zone are open. Contact a Gas Safe registered engineer to investigate the temperature control fault.

Who can perform maintenance on my Ariston heat pump water heater?

All maintenance operations and interventions should be performed by qualified personnel with the necessary requirements as outlined in applicable norms. Tasks such as descaling the flange or replacing the magnesium anode require an authorised technician.

What does error code 604 mean on my Ariston boiler?

Error code 604 indicates the fan is not turning at the correct speed. This is a serious safety issue as the fan cannot properly expel combustion gases including carbon monoxide. Do not use the boiler until it has been inspected and repaired by a Gas Safe registered engineer. If you experience headaches, dizziness, or nausea, ventilate the area immediately and seek medical attention.

Why won't my Ariston boiler connect to the app?

First ensure the boiler's Wi-Fi module is enabled in the Connectivity Settings menu. Restart both the boiler and your router. Check your network uses 2.4 GHz frequency as 5 GHz networks are not compatible. Verify the Ariston NET app has permission to access Wi-Fi in your phone settings. If issues persist, check for firmware updates in the app.

Why is my Ariston electric water heater making unusual noises?

Unusual noises typically indicate limescale buildup inside the tank, which is common in hard water areas. This buildup increases heating times and energy costs. Do not attempt to inspect or repair the unit yourself. Contact a qualified technician for descaling and inspection. Always ensure the water heater is switched off at the electrical supply before any maintenance work is carried out by a professional.

What do the flashing LED lights mean on my Ariston Velis Evo water heater?

When all LEDs flash simultaneously, the Velis Evo has entered fault status. Press the ON-OFF and MINUS buttons together for 3 seconds to enter diagnostic mode. LED 1 flashing indicates a circuit board fault. LED 3 indicates a broken temperature probe. LED 5 indicates excessive water temperature. LEDs 3 and 4 together indicate heating element failure. LEDs 3, 4 and 5 indicate overheating from lack of water. Switch off the water heater and contact a qualified technician.