If your heat pump stops blowing warm air or makes strange noises, you don’t have to panic. A lot of problems are simple enough to spot yourself, and fixing them can save time and money. Below we break down the most common issues, easy checks you can do, and when it’s best to call a professional.
First, look at the power supply. Make sure the circuit breaker hasn’t tripped and the outdoor unit’s disconnect switch is on. A loose plug or a blown fuse can shut the whole system down.
Next, check the air filters. Dirty filters restrict airflow, forcing the pump to work harder and eventually overheat. Cleaning or replacing the filter every 1‑2 months keeps performance steady.
Ice buildup on the outdoor coil is another frequent culprit, especially in colder weather. If you see frost covering the fins, turn the system off for a few hours to melt the ice, then run the defrost mode if your unit has one.
Thermostat issues also show up as heat pump problems. Make sure the thermostat is set to “heat” and the temperature is higher than the room’s current level. Low batteries or a mis‑wired thermostat can send the wrong signals to the pump.
Finally, listen for unusual sounds. A rattling or squealing noise often means a fan motor or belt is loose or worn. Tightening bolts or replacing a worn belt can solve the issue without a full service call.
Even with these checks, some problems need a qualified technician. If you notice refrigerant leaks, the unit won’t cool or heat properly and you’ll need a licensed HVAC professional to recharge the system.
Electrical faults like tripped high‑limit switches, burnt wires, or repeated breaker trips are unsafe to handle yourself. A certified engineer can diagnose and fix wiring problems safely.
Compressor failures are another red flag. The compressor is the heart of the heat pump, and a malfunction usually means a costly repair or replacement. Only a trained technician should open the system to test this part.
Lastly, if you’ve tried the basic steps and the pump still won’t run, or if it’s making loud, grinding noises, it’s time to book a service. Our South Shields team offers fast, reliable heat pump repair, so you won’t be left in the cold.
Regular maintenance—cleaning coils, checking refrigerant levels, and testing safety controls—keeps most heat pumps running smoothly for years. Schedule a yearly check with a local professional to avoid emergency breakdowns.
Remember, a quick visual inspection and a few simple actions can solve many heat pump hiccups. When in doubt, reach out to a trusted South Shields repair service and get your home heating back on track fast.
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