Prices and warranty examples reflect the article’s published context. Confirm current terms and your building’s requirements with HTS.
In This Guide
A recurring low-pressure safety fault requires more than a reset. Record the model, heating or cooling mode and when the warning returns. A technician checks the relevant airflow, refrigeration and building-loop conditions before recommending repair.
1. Refrigerant Leak
If the heat pump is low on refrigerant, the LPS, the LPS may act to prevent the system from operating without enough refrigerant to transfer heat effectively.
2. Compressor Malfunction:
If the compressor works inefficiently due to mechanical issues then there is a drop in pressure across the refrigerant circuit. As a result, it can trigger LPS to shut down the system. In this case, you need to replace your chassis compressor to resolve this issue.
3. Restricted Air Flow
If the air filter on the heat pump is currently too dirty or too thick, it can restrict the airflow and cause the system refrigerant pressure to drop. As a result, LPS gets activated. Please also keep that in mind, no furniture or sofa should block the front access panel.
4. Faulty Low-Pressure Switch (LPS)
In some cases, the LPS itself may be malfunctioning or improperly wired causing it o activate even when the pressure switch is normal.
5. Building Water Pressure
Water Source Heat Pumps rely heavily on building water pressure & temperature to operate properly. If the building water pressure or temperature does not follow standard heat pump requirements then you may experience sudden shutdowns & red LPS flashing on the control boards. Before addressing this problem with your condo management, you need to have a qualified condo HVAC specialist provide you with a formal report in order to inform your property manager.
Schedule An Inspection
Condo heat pump systems are not part of common heating & cooling elements in high-rise buildings. This means that it’s the individual owner’s responsibility to arrange an emergency repair or maintenance service call in case of a mechanical failure or sudden breakdown. If you’re experiencing a problem with your condo heat pump, air conditioning, or heating system, then you’ve come to the right place.
We have a designated technical support & test center for troubleshooting all types of vertical and horizontal heat pump systems in condominiums & commercial high-rise buildings.
Home Trade Standards provides a one-year parts and labour warranty on the work we complete. Coverage applies to the completed work, not a new unrelated fault or work outside the agreed scope. Separate manufacturer warranties follow the equipment manufacturer’s terms.
