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Air Source Heat Pump Breakdown Service in Dorset Call Igloo Heating 24 Hour Call Out

  • Writer: Igloo Heating
    Igloo Heating
  • Aug 17
  • 7 min read

When an air source heat pump stops working, the house can cool down quickly, hot water can run short, and the fault code on the controller often raises more questions than it answers. The best next step is simple: get calm, practical help from an engineer who understands the system and can attend quickly.


Igloo Heating in Dorset provides a 24 hour call out service for air source heat pump breakdowns across Poole, Christchurch, Bournemouth, Southampton, Ringwood, Dorset, Hampshire, and nearby areas. The team is fast, reliable, and experienced in heating faults, with many problems repaired the same day where parts and site conditions allow.


For urgent help, call 07547 939494, email help@IglooHeating.co.uk, or visit www.IglooHeating.co.uk.


Eye-level view of an outdoor air source heat pump beside a brick house in winter
A heat pump breakdown needs quick attention, especially in cold weather.

When an air source heat pump breakdown needs urgent attention


Some heat pump problems are inconvenient. Others need a fast call out because they can leave the property without heating or hot water. If the system has stopped running completely, is repeatedly tripping the electrics, or is showing a fault that will not clear, it is time to call an engineer.


A breakdown can show up in several ways:


  • No heating from radiators or underfloor heating

  • No hot water from the cylinder

  • The outdoor unit is not running

  • The fan is not moving

  • The unit keeps starting and stopping

  • The controller shows an error code

  • The system pressure is too low

  • The electrics trip when the heat pump starts

  • Unusual noises come from the outdoor unit

  • Ice builds up and does not clear during normal defrost cycles


If you are unsure what the fault means, do not keep resetting the system again and again. Repeated resets can hide useful fault history and may put extra strain on the equipment. A quick phone call to Igloo Heating can help you decide whether the issue needs an emergency visit or a planned repair.


Local breakdown help across Dorset and Hampshire


Igloo Heating supports homeowners and landlords who need an air source heat pump breakdown service in Dorset and surrounding areas. That includes Poole, Christchurch, Bournemouth, Ringwood, Southampton, wider Dorset, and parts of Hampshire.


Local attendance matters because heat pump faults often need more than a remote guess. The engineer may need to check the outdoor unit, controls, wiring, system pressure, circulation pumps, valves, filters, and the hot water cylinder. Being within reach helps keep waiting times down and gives customers a more practical route to repair.


For many common faults, Igloo Heating can generally fix the problem the same day. This can depend on the fault, the make and model of the heat pump, and whether specialist parts are needed. Even when a part has to be ordered, a proper diagnosis helps avoid wasted time and guesswork.


Igloo Heating is also Gas Safe registered, which is useful for homes with mixed heating systems, boilers, cylinders, or wider heating work. Gas Safe registration matters for gas appliances and gives customers confidence that the company works to recognised safety standards.


What to check before calling an engineer


A few simple checks can sometimes identify an obvious issue. These checks should be safe and non-invasive. Do not remove covers, open electrical panels, or attempt refrigerant work. Air source heat pumps combine water, electrics, controls, and refrigeration circuits, so deeper investigation should be left to a qualified engineer.


Before calling, you can check:


  1. The controller display

    Look for a fault code or warning message. Write it down or take a photo before pressing anything.


  2. The power supply

    Check whether the controller is on and whether any obvious switches have been turned off by accident.


  1. The heating schedule

    Make sure the system has not been set to holiday mode, frost protection only, or a reduced temperature.


  2. The room thermostat

    Raise the set temperature and see whether the system responds.


  1. The hot water setting

    If the problem is hot water only, check whether the hot water schedule is active.


  2. The system pressure

    If your system has a pressure gauge, note the reading. Low pressure can stop the system from running properly.


  1. Visible ice or debris around the outdoor unit

    Leaves, blocked airflow, or heavy ice can affect performance. Do not pour boiling water on the unit or chip ice away with tools.


These checks can help the engineer understand the fault faster. They can also help Igloo Heating give better advice over the phone.


Close-up view of a heat pump controller showing a warning symbol
A clear fault code can help an engineer diagnose the issue faster.

Why air source heat pumps can stop working


Air source heat pumps are reliable when installed, commissioned, and maintained correctly. Like any heating system, they can still develop faults. Some are caused by wear and tear. Others come from water pressure issues, blocked filters, control settings, frozen components, or electrical problems.


Common causes include:


  • Low system pressure or a small leak

  • Air trapped in the heating circuit

  • Blocked strainers or filters

  • Faulty circulation pumps

  • Motorised valve problems

  • Sensor faults

  • Control or thermostat faults

  • Defrost issues

  • Frozen condensate or drainage problems

  • Electrical faults

  • Poor airflow around the outdoor unit

  • Problems linked to the hot water cylinder or immersion backup


Some faults are quick to repair. A blocked filter, incorrect setting, or failed sensor can often be handled without major disruption. Other faults need replacement parts or more detailed testing.


A good engineer will not just clear the error code and leave. They will look for the reason behind the fault, test the system, and make sure it is running safely before handing it back.


What happens during a breakdown visit


A professional breakdown visit should be methodical. Igloo Heating will usually start by listening to what has happened, when the problem began, and whether anything changed recently. For example, a power cut, plumbing work, freezing weather, or a recent service can all give clues.


The engineer may then check:


  • Fault codes and system history

  • Outdoor unit operation

  • Water pressure and flow

  • Filters, strainers, and visible pipework

  • Pumps, valves, and expansion vessel condition

  • Thermostats and heating controls

  • Hot water cylinder controls

  • Electrical supply and safety where required

  • Signs of leaks, freezing, or poor circulation


The aim is to get the heating and hot water working again as quickly as possible while avoiding rushed repairs that cause repeat call outs. If the fault can be fixed there and then, the engineer will normally do so. If a part is required, they can advise on the next step and keep the repair moving.


Why same day repair is often possible


Many heat pump breakdowns come from parts and issues that heating engineers deal with every week. Controls, pumps, valves, pressure problems, filters, and settings can often be handled during the first visit. That is why Igloo Heating can generally fix most faults the same day.


Same day repair depends on a few practical points:


  • The fault can be diagnosed safely

  • The system is accessible

  • Required parts are available

  • The unit has not suffered major component failure

  • The system pipework and electrics are in suitable condition

  • The fault is not caused by a larger installation issue


Even when the repair is not completed immediately, a same day diagnosis still matters. It can confirm whether the system is safe, whether backup heat is available, and what part or work is needed next.


Wide-angle view of an engineer inspecting an outdoor heat pump unit at a home
A structured inspection helps find the cause of the breakdown.

Do not ignore small warning signs


A heat pump rarely fails at a convenient time. Small problems can become bigger ones if the system keeps running under strain. If the property is still warm but the unit sounds louder than usual, takes longer to heat the cylinder, or shows intermittent warnings, it is worth getting it checked.


Early attention can help prevent:


  • Loss of heating during cold weather

  • Repeated electrical trips

  • Higher running costs from poor performance

  • Strain on pumps and valves

  • Damage from freezing or poor circulation

  • Emergency disruption for tenants or family members


Landlords should take warning signs seriously too. A reliable heating system is part of keeping a property comfortable and safe. Fast attendance can reduce tenant stress and help avoid repeat complaints.


Safety matters with heat pump repairs


Homeowners can check settings, schedules, and visible issues, but deeper repair work should be carried out by a competent engineer. Heat pump systems involve electrical components, sealed refrigeration circuits, unvented hot water cylinders in many homes, and pressurised heating circuits.


Avoid:


  • Opening electrical covers

  • Bypassing safety controls

  • Taping down switches or sensors

  • Repeatedly resetting a tripping circuit

  • Attempting refrigerant repairs

  • Changing system pressure without knowing the correct process

  • Removing panels from the outdoor unit


If you smell burning, see signs of electrical damage, or the system is tripping the electrics, switch it off if safe to do so and call for help. For dangerous electrical situations, contact the relevant emergency service or electricity network operator.


Igloo Heating’s combination of heat pump fault finding experience and Gas Safe registration gives customers a single, reliable contact for heating support across the local area.


How to get help from Igloo Heating


If your air source heat pump has broken down in Poole, Christchurch, Bournemouth, Southampton, Ringwood, Dorset, or Hampshire, contact Igloo Heating for help and advice.


Call 07547 939494 for a 24 hour call out.


You can also email help@IglooHeating.co.uk or visit www.IglooHeating.co.uk.


When you get in touch, it helps to have a few details ready:


  • Your location

  • The make and model of the heat pump, if known

  • Any fault code on the controller

  • Whether you have no heating, no hot water, or both

  • When the fault started

  • Whether the electrics have tripped

  • Any recent work, power cuts, or pressure changes


These details help the engineer arrive prepared and give the best possible advice.


Follow Igloo Heating’s work online


Igloo Heating also shares its work across social media. Following the pages is a useful way to see recent jobs, heating tips, and examples of the team’s day-to-day work.


Low-angle view of an outdoor heat pump unit running beside a garden path
Good airflow and a clear outdoor unit help a heat pump work properly.

Fast help when the heating stops


A heat pump breakdown is stressful, but it does not need to turn into days of uncertainty. Quick advice, proper fault finding, and a local 24 hour call out service can make all the difference.


For fast and reliable help, call Igloo Heating in Dorset on 07547 939494. The team can advise, attend quickly, and can generally fix most air source heat pump faults the same day. Contact help@IglooHeating.co.uk or visit www.IglooHeating.co.uk to get support with your heating system.


 
 
 

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