Share the pattern
Describe the symptom, any message and whether the concern is constant or intermittent.
Availability confirmed from postcode and system details
Fault-finding should begin with the model and installation details, controller or display messages, recent changes in behaviour, and whether heating or hot water is affected. Checks may include power and isolation status, system pressure where applicable, controls, sensors, filters, circulation, defrost behaviour, condensate drainage and accessible connections. Do not reset repeatedly, remove covers, interfere with refrigerant circuits or carry out electrical work unless qualified to do so. For properties affected by severe weather, flooding or water ingress, isolate the system only when safe and seek appropriate electrical or technical advice before restarting.
Fault-finding should begin with the model and installation details, controller or display messages, recent changes in behaviour, and whether heating or hot water is affected. Checks may include power and isolation status, system pressure where applicable, controls, sensors, filters, circulation, defrost behaviour, condensate drainage and accessible connections. Do not reset repeatedly, remove covers, interfere with refrigerant circuits or carry out electrical work unless qualified to do so. For properties affected by severe weather, flooding or water ingress, isolate the system only when safe and seek appropriate electrical or technical advice before restarting.
Describe the symptom, any message and whether the concern is constant or intermittent.
Use your postcode, system details and requested support to confirm the appropriate availability and appointment route.
A repair or diagnostic visit is shaped around the reported fault and the system behaviour that can be assessed.
Use the booking form to provide your postcode and choose the support you need. That information is used to confirm the right next step.
These public sources inform the guide. They do not establish service availability or describe work by Heat Pumps Service.
Provide the postcode, make and model if known, any displayed fault code, a description of what has changed, and whether heating, hot water or both are affected. Photographs of the controller and accessible equipment can also help with initial triage.
The property may require additional planning, heritage, access, weather-protection or flood-risk consideration. Cyngor Gwynedd identifies Bangor as a coastal sub-regional centre and highlights coastal, river and surface-water flood risks across Gwynedd. Any site-specific requirement must be checked for the individual property.