Ariston Appliance Repair in Brinnington & Stockport Central

What does error code 922 mean on an Ariston heat pump?

Error code 922 on an Ariston heat pump (Nimbus series) indicates the heat pump is locked or a freeze error has occurred. Switch off the heat pump and check that the system has adequate water flow and antifreeze protection. Contact a qualified heat pump installer to unlock the system and diagnose the cause.

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 5P2 mean on an Ariston boiler?

Error code 5P2 on an Ariston boiler indicates the second ignition attempt has failed. This is a gas-related fault often associated with ignition system problems. Do not attempt to fix this yourself. 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. If there is no gas smell, switch off the boiler and contact a Gas Safe registered engineer.

What does error code 905 mean on an Ariston heat pump?

Error code 905 on an Ariston heat pump (Nimbus series) indicates a heat pump evaporator sensor error or compressor mismatch. Switch off the heat pump and contact a qualified heat pump installer to check the evaporator temperature sensor and compressor configuration.

What does error code 938 mean on an Ariston heat pump?

Error code 938 on an Ariston heat pump or water heater indicates an anode fault - the sacrificial anode in the hot water cylinder may need replacement. Contact a qualified installer to check and replace the anode to protect the cylinder from corrosion.

How often should I have my Ariston boiler serviced?

Your Ariston boiler must be professionally serviced every 12 months by a competent person in compliance with current national regulations. The first service should be completed within 12 months of installation.

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 maintenance tasks are included in an Ariston boiler service?

A professional service includes inspection of all boiler components (combustion chamber, burner, safety systems, hydraulic circuits), cleaning and adjustment to optimise combustion efficiency, and flue gas analysis to verify carbon monoxide levels comply with legal requirements.

What is the anti-legionella function on my Ariston water heater?

The anti-legionella function is a thermal disinfection cycle that periodically heats water to a high temperature to kill legionella bacteria. This function is activated by default on Ariston water heaters and runs automatically to protect your health. Do not disable this function. Consult your product manual for specific temperature and duration settings for your model.

How do I drain my Ariston Nuos heat pump water heater?

Turn off power to ensure the unit is not operated when empty. Turn off the cold water supply, shut off the hot water feed, connect a hose to the drain cock and place the other end in a sink or basin, then open the drain cock and the temperature/pressure relief valve to vent the cylinder.