Share the pattern
Describe the symptom, any message and whether the concern is constant or intermittent.
Availability confirmed from postcode and system details
Diagnosis of heating or hot-water performance issues Investigation of warning codes, control faults, unusual operating behaviour or loss of circulation Checks of filters, pumps, valves, sensors, connections and accessible system components Assessment of whether a repair, component replacement or further specialist testing is appropriate Consideration of external-unit placement and visible alterations where the property lies in or near a heritage-sensitive area
Diagnosis of heating or hot-water performance issues Investigation of warning codes, control faults, unusual operating behaviour or loss of circulation Checks of filters, pumps, valves, sensors, connections and accessible system components Assessment of whether a repair, component replacement or further specialist testing is appropriate Consideration of external-unit placement and visible alterations where the property lies in or near a heritage-sensitive area
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.
It can, particularly where work changes the external appearance, affects an external unit, or concerns a listed property or conservation area. Woking Borough Council says its conservation-area appraisals describe distinctive historic and architectural character and help inform planning decisions, so consent requirements should be checked before relevant alterations.
Note the exact code or symptom, check the manufacturer’s basic user guidance, and avoid dismantling sealed or electrical components. Provide the code, system model and recent operating history when requesting professional diagnosis.