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Faults & Repairs

Diagnosing common heat pump faults, error codes and breakdowns, and what a repair should cost.

Snow-covered house and garden seen from above on a winter morningHeat Pump Not Working in the Morning: Common CausesOutdoor unit mounted on a wall beside a doorway at duskHeat Pump Smells Burning: What to DoClose-up of an outdoor unit grille and warning labelHeat Pump Compressor Problems: Signs, Causes & Repair CostsClose-up of the fan on an outdoor unitHeat Pump Making Noise? Common Sounds ExplainedClose-up of a radiator with its thermostatic valveHeat Pump Losing Pressure: Causes & How to Fix ItOutdoor unit in a shaded corner beneath a balconyHeat Pump Running But Not Heating? 8 Causes & SolutionsHeating controller displaying settings on a wooden surfaceHeat Pump Error Codes: Common Fault Codes ExplainedMetal grille encased in ice after freezing weatherHeat Pump Frozen Outside Unit: What to DoRusted and weathered outdoor unit against a wallWhen to Replace Your Heat Pump: Signs It’s Time for a New SystemSmall outdoor unit at the foot of a corrugated wallHeat Pump Short Cycling: Causes, Risks & SolutionsDark box unit buried under thick snow beside a houseHeat Pump Defrost Cycle: Why It Happens & What It Looks LikeWall-mounted outdoor unit beneath a roof overhangHeat Pump Leaking Water: Causes & What to DoOutdoor unit beneath a window on a rendered wallHeat Pump Not Working? 10 Common Causes & Fixes

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