This is normal during initial operation.
Normal after loading with large amounts of foods.
Appliance door not fully closed.
Appliance door is opened frequently.
Ambient temperature is high.
Wrong temperature setting. See “Starting up”. 
Poor ventilation
Normal if unpackaged food was placed in the freezer.
Appliance door not fully closed.
Appliance door is opened too frequently or for too long.
Food placed too close to air outlet.
Ice cubes stick together. Take out the lump of ice cubes, crush it and return only the separated ice cubes to the ice cube container.
HRF-661TSAA, HRF-661RSSAA, HRF-663ASA2*, HRF-663ASB2*, HRF-663ISA2* specifications
Haier's range of refrigerators, including models HRF-663ISA2*, HRF-663ITA2*, HRF-663ASA2*, HRF-663BSS, and HRF-663ASB2*, brings together modern convenience, advanced technology, and stylish design. These refrigerators are designed to meet the needs of contemporary households while providing efficient cooling solutions.One of the standout features across these models is the multi-air flow system. This technology ensures even distribution of cool air throughout the refrigerator compartment and freezer, maintaining optimal food freshness, regardless of where items are stored. With adjustable shelves, users can maximize their storage space to accommodate larger items or specialized containers.
Energy efficiency is a significant consideration for Haier, and these refrigerator models boast an impressive A+ energy rating. This not only helps consumers save on electricity bills but also contributes to a more sustainable environment, reducing the carbon footprint associated with energy consumption.
The HRF series also incorporates a special anti-bacterial technology, which prevents the growth of bacteria inside the refrigerator, ensuring that food remains fresh and safe to consume. Additionally, the deodorizers work to eliminate any unwanted odors, creating a clean and pleasant environment for food storage.
Sleek and modern, the design of these refrigerators accommodates various kitchen styles. The stainless steel finish is not only aesthetically pleasing but also resistant to fingerprints, making maintenance easier. Furthermore, the spacious interior offers ample room for groceries, with dedicated compartments for different food categories, allowing for organized storage.
Another innovative feature is the No Frost technology present in these models. This eliminates the need for manual defrosting, saving time and effort for users. With rapid cooling capabilities, the refrigerators can quickly lower their internal temperature when new food items are introduced, preserving the quality and freshness of all stored products.
Moreover, the intuitive digital control panels provide easy access to temperature settings and other functions, allowing users to adjust their preferences with ease. These models also include safety features such as door alarms and child locks, making them family-friendly appliances.
In conclusion, Haier's HRF-663ISA2*, HRF-663ITA2*, HRF-663ASA2*, HRF-663BSS, and HRF-663ASB2* refrigerators are equipped with advanced technologies and features that cater to modern living. With energy efficiency, advanced cooling systems, and a commitment to food safety, these units represent a robust addition to any kitchen, marrying functionality with style.