Trouble shooting

Before asking for service, check the following first.

	Phenomenon	Cause or check points
	The system does not restart	When unit is stopped, it won't restart
	immediately.	When unit is stopped, it won't restart
	immediately.	immediately until 3 minutes have elapsed
		immediately until 3 minutes have elapsed
		to protect the system.
		When the electric plug is pulled out and
		reinserted, the protection circuit will work
		for 3 minutes to protect the air conditioner.
	Noise is heard:	During unit operation or at stop, a swishing
	Noise is heard:	or gurgling noise may be heard. At first 2-3
		minutes after unit start, this noise is more
		noticeable. (This noise is generated by
Normal		refrigerant flowing in the system.)
Normal		During unit operation, a cracking noise may
Performance		be heard. This noise is generated by the
inspection		casing expanding or shrinking because of
		temperature changes.
		Should there be a big noise from air flow in
		unit operation, air filter may be too dirty.
	Smells are generated.	This is because the system circulates smells
	Smells are generated.	from the interior air such as the smell of
		from the interior air such as the smell of
		furniture, cigarettes.
	Mist or steam are blown out.	During COOL or DRY operation, indoor unit
		During COOL or DRY operation, indoor unit
		may blow out mist. This is due to the sudden
		cooling of indoor air.
Multiple	Does not work at all.	Is power plug inserted?
Multiple		Is there a power failure?
check		Is there a power failure?
check		Is fuse blown out?
		Is fuse blown out?
	Poor cooling	Is the air filter dirty? Normally it should be
	Poor cooling	cleaned every 15 days.
		cleaned every 15 days.
		Are there any obstacles before inlet and outlet?
		Is temperature set correctly?
		Are there some doors or windows left open?
		Is there any direct sunlight through the
		window during the cooling operation?(Use
		curtain)
		Are there too much heat sources or too many
		people in the room during cooling operation?

HFU-12H03/R2(DB), HFU-12HA03(B)/R1, HFU-09H03/R2(DB), HFU-18H03/R2(DB), HFU-09HA03(B)/R1 specifications

Haier, a renowned global leader in home appliances, offers a variety of air conditioning units designed for optimal comfort and efficiency. Among its extensive range, the models 0010557172, HFU-09HA03(B)/R1, HFU-18H03/R2(DB), HFU-09H03/R2(DB), and HFU-12HA03(B)/R1 stand out due to their advanced features and technologies suitable for both residential and commercial applications.

The model 0010557172 serves as a prime example of Haier's commitment to energy efficiency. This unit boasts a high Energy Efficiency Ratio (EER), ensuring that it provides maximum cooling while minimizing electricity costs. The incorporation of intelligent inverter technology allows for seamless adjustments in cooling capacity, which not only enhances comfort but also reduces energy consumption.

The HFU-09HA03(B)/R1 is designed with user-friendly controls that allow for easy operation. Equipped with a remote control, this model provides convenience by allowing users to adjust settings from anywhere in the room. Its compact design makes it ideal for smaller spaces, promoting efficient use without compromising comfort. The inclusion of a sleep mode feature ensures quieter operation during the night, enhancing sleep quality.

In contrast, the HFU-18H03/R2(DB) is a powerful unit suitable for larger spaces. With its robust cooling capacity, it is perfect for environments where maintaining a constant temperature is crucial. This model features multi-functional modes, including cooling, heating, and dehumidification, offering year-round comfort regardless of external weather conditions. The unit also incorporates a smart filter system that effectively purifies the air, ensuring a healthier living environment.

The HFU-09H03/R2(DB) and HFU-12HA03(B)/R1 models emphasize durability and easy maintenance. Both models are equipped with self-cleaning technology, which automatically removes dust and impurities from the filter, prolonging the unit's lifespan. Additionally, these models are designed with an environmentally friendly refrigerant that complies with global regulations, minimizing their carbon footprint.

In summary, Haier's lineup of air conditioning units, including the 0010557172, HFU-09HA03(B)/R1, HFU-18H03/R2(DB), HFU-09H03/R2(DB), and HFU-12HA03(B)/R1, showcases a blend of innovative technologies and practical features. With a commitment to efficiency, comfort, and sustainability, Haier continues to meet the diverse needs of consumers in today's dynamic market, ensuring an optimal living and working environment.