Kwikot Heat Pump Error Codes & History

Professional Introduction:
Kwikot, founded in 1968, is one of South Africa’s most trusted brands in water heating solutions. Known for innovation and durability, Kwikot provides a range of geyser heat pumps designed to deliver energy-efficient hot water for residential, commercial, and industrial applications. These heat pumps work by extracting heat from the surrounding air, converting it into hot water while consuming significantly less electricity than traditional geysers—often reducing energy bills by up to 70%.

Kwikot’s heat pumps are built with high-quality components for long-term reliability, low maintenance, and minimal environmental impact. Many models include user-friendly controls, safety features, and smart technology for optimized performance. With a strong national network of service providers and distributors, Kwikot ensures customers have access to professional installation, technical support, and replacement parts whenever needed. Their commitment to sustainability and innovation has made them a preferred choice for energy-conscious homeowners and businesses across South Africa.

kwikot heat pump error codes

Kwikot Heat Pump Error codes

For Models: (GT-SKR010B)~(GT-SKR015B)~(GT-SKR020B)

Error 01E

Hydraulic pressure switch protection (protect when interrupts)
◇Hydraulic switch destroyed
◇Inadequate water flow
◇There is air in the circulating water inlet tube
◇Circulating pump destroyed
◇Water tank lack of water

Error 02E

Current protection

◇Over-current

Error 03E

High pressure switch fault (protect when interrupts)
◇High pressure switch destroyed
◇Inadequate water-flow
◇The system is jammed, the probe of sensor falls down
◇Circulating pump damaged
◇Excessive refrigerant
◇Some un-condensable gas in the refrigerant system

Error 04E

Low pressure switch fault (protect when interrupts)
◇Low pressure switch destroyed
◇Inadequate refrigerant
◇The fins of the evaporator are dirty

Error 05E

Overheating of the outlet water
◇Clogged water line
◇water outlet temperature sensor fault

Error 09E

Communication error ( the control panel can’t receive information from the PCB)
◇Open circuit or short circuit between the operation panel and PCB

Error 11E

Coil sensor fault (open circuit or short circuit)
◇The sensor open circuit
◇The probe of the sensor falls down
◇the sensor short circuit

Error 12E

Environment sensor fault (open circuit or short circuit)
◇The sensor open circuit
◇The probe of the sensor falls down
◇the sensor short circuit

Error 13E

Water outlet sensor fault (open circuit or short circuit)
◇The sensor open circuit
◇The probe of the sensor falls down
◇the sensor short circuit

Error 15E

Water-tank sensor fault (open circuit or short circuit)
◇The sensor open circuit
◇The probe of the sensor falls down
◇the sensor short circuit

The history of heat pumps

Early Concepts:

The concept of heat pumps can be traced back to the work of Lord Kelvin (William Thomson) in the mid-19th century. He proposed the idea of using mechanical work to transfer heat from one place to another. However, the practical application of this concept would take some time to develop.

Sadi Carnot:

In 1824, French engineer Sadi Carnot laid the foundation for the thermodynamic principles that underlie heat pumps in his book “Reflections on the Motive Power of Fire.” His work on the Carnot cycle provided the theoretical framework for understanding how heat can be transferred using mechanical work.

Lord Kelvin’s Refrigerator

In 1852, William Thomson, also known as Lord Kelvin, designed the first known heat pump, which he called a “refrigerator.” It was based on his thermodynamic ideas but was not widely adopted at the time.

Development of Refrigeration:

: The late 19th century saw significant advances in refrigeration technology, which is closely related to heat pumps. Inventors like Jacob Perkins, Ferdinand Carré, and Carl von Linde made important contributions to the development of early refrigeration systems, which were essentially heat pumps operating in reverse.

Introduction of Freon:

In the early 20th century, the development of synthetic refrigerants like Freon (chlorofluorocarbon compounds) greatly improved the efficiency and safety of heat pumps and refrigeration systems. This led to the widespread adoption of refrigeration and air conditioning systems in homes and businesses.

Heat Pumps for Space Heating:

Heat pumps designed for space heating started to gain popularity in the mid-20th century. These systems could extract heat from the outdoor air or ground and transfer it inside to warm buildings. The 1940s and 1950s saw significant advances in this technology.

Geothermal Heat Pumps:

In the 1970s, there was a growing interest in more efficient and environmentally friendly heating and cooling systems. This led to the development of geothermal heat pumps, which use the stable temperature of the earth as a heat source or sink. These systems are highly energy-efficient and have gained popularity for both residential and commercial use.

Modern Heat Pump Technology:

In recent decades, heat pump technology has continued to improve, becoming more energy-efficient and environmentally friendly. They are widely used for both heating and cooling in homes and commercial buildings. The use of heat pumps has also extended to other applications, such as water heating and industrial processes.

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