Check the manual to determine what your green light means. The interpretation of a flashing green light will vary with each model. Related post: Does My Heat Pump Use O Or B Wire? (Find Out Now!) Heat Pump Flashing Light Meaning Heat Pump Flashing Green Light – Why?įujitsu manual suggests that a flashing green timer LED indicates a fault. The flashing light is not a cause for concern in such a case. When this happens, the power light will flash. Defrost ModeĪccording to EES, heat pumps will automatically engage the defrost mode during the coldest seasons of the year. Ask an expert to diagnose the heating system. Improper installation can result in malfunctions.įortunately, modern heat pumps are smart enough to warn consumers when things go wrong. On occasion, the technician who installed the unit is at fault. Loose wiring can compel the heat pump to draw abnormal quantities of electricity, which can trigger a blinking light, alerting the homeowner of the malfunction. A professional will start with the thermostat because they realize that some flashing lights are harmless. They are more likely to disassemble the outdoor unit in search of a problem that doesn’t exist. But it won’t occur to the average homeowner to check the thermostat’s batteries. You can troubleshoot a flashing heat pump light if you have some experience in the field. This is why laypeople are better off consulting professionals. Either the battery is defective, or it is low on charge. The heat pump light also flashes whenever it develops battery problems. However, you shouldn’t be so quick to blame flashing lights on the indoor or outdoor unit. If your heat pump includes an indoor and outdoor unit, you won’t realize that things have gone wrong until the thermostat starts flashing. Check your brand’s manual to determine the meaning behind the number of flashes. This only applies to the York Stellar Series. With a low discharge temperature, you should see four flashes. High discharge temperature produces three flashes. If you have a York Stellar series, the number of flashes will help you diagnose the problem.įor instance, two flashes signify high pressure. However, it won’t satisfy your needs because the outdoor unit has stopped working. The outdoor unit will use the thermostat’s flashing light to let you know that a problem has occurred. The emergency heat light also flashes if the outdoor unit has developed a malfunction. Resetting a heating system with a flashing light will solve the problem, especially if you wait several seconds before switching the pump on.Ī flashing light that refuses to disappear even after resetting the heat pump should concern you. As a result, they are susceptible to various electronic glitches. Modern heat pumps are sophisticated devices with a multitude of advanced features. But what happens when your heat pump is properly maintained, yet the light is flashing? Should you worry? Is the flashing light a cause for concern? Why Is My Heat Pump Light Flashing? Electronic Glitch You don’t want the heat pump to fail at the most inopportune moment. This is why proper maintenance is essential. You risk freezing to death if your home doesn’t have one. But for others, heat pumps are a survival tool. For these individuals, heat pumps are a luxury. Some people live in regions with mild winters.
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