ERROR DETECTION

 

Display

 

Error

 

 

Error

Operation

Timer LED

 

 

 

LED

 

 

 

 

2 flash

Serial signal (reverse) error, at operation start up

 

 

 

 

 

 

3 flash

Serial signal (reverse) error, during oeration

 

 

 

 

Serial signal error

Normal

4 flash

Serial signal (forward) error, at operation start up

 

 

 

 

 

 

5 flash

Serial signal (forward) error, during operation

 

 

 

 

 

 

8 flash

Wired remote controller error

 

 

 

 

 

 

2 flash

Indoor temperature thermistor open / short

Indoor unit thermistor error

2 flash

 

 

3 flash

Heat exchanger middle thermistor open / short

 

 

 

 

 

 

 

 

2 flash

Discharge thermistor open / short

 

 

 

 

 

 

3 flash

Heat exchanger thermistor open

Outdoor unit thermistor error

3 flash

 

 

4 flash

Outdoor temperature thermistor open / short

 

 

 

 

 

 

 

 

8 flash

Compressor temperature thermistor open / short

 

 

 

 

 

 

2 flash

Forced automatic SW welded

 

 

 

 

 

 

3 flash

Main relay welded

 

 

 

 

Indoor unit control error

4 flash

4 flash

Power interruption error

 

 

 

 

 

 

7 flash

VDD permanent stop protection

 

 

 

 

 

 

8 flash

reverse VDD permanent stop protection

 

 

 

 

 

 

2 flash

Current trip error

 

 

 

 

 

 

3 flash

CT abnormal

Outdoor unit control error

5 flash

 

 

5 flash

Compressor location detection error

 

 

 

 

 

 

 

 

6 flash

Outdoor unit fan drive system abnormal

 

 

 

 

 

 

2 flash

Abnormal lock

Indoor fan motor error

6 flash

 

 

3 flash

Abnormal rotation

 

 

 

 

 

 

 

 

2 flash

Discharge Temperature abnormal

 

 

 

 

Refrigerant cycle error

7 flash

3 flash

Cooling high pressure abnormal rise

 

 

 

 

 

 

5 flash

Pressure switch trouble

 

 

 

 

 

 

2 flash

Active filter voltage trouble (second time)

 

 

 

 

Optional function error

8 flash

3 flash

Active filter voltage trouble (first time)

 

 

 

 

 

 

4 flash

PFC circuit error

 

 

 

 

Model information error

0.1 sec on/off

0.1 sec on/off

Model information error

 

 

 

 

17

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Friedrich MW18Y3H, MR18Y3H, MR24Y3H manual Error Detection

MR24Y3H, MR18Y3H, MW18Y3H specifications

Friedrich MW18Y3H and MR24Y3H are advanced window air conditioning units designed for optimal performance and efficiency. These models are part of Friedrich's lineup, which focuses on delivering high-quality cooling solutions for both residential and commercial applications.

One of the main features of the MW18Y3H and MR24Y3H is their robust cooling capacity. The MW18Y3H offers an impressive 18,000 BTU cooling power, making it ideal for larger rooms up to 1,100 square feet. Similarly, the MR24Y3H, with its 24,000 BTU capacity, can effectively cool spaces of up to 1,600 square feet. This makes both models suitable for a range of environments, from homes to offices.

Energy efficiency is another significant characteristic of these units. Both models are designed with Energy Star certification, ensuring they consume less electricity while providing powerful cooling. This not only helps customers save on energy bills but also contributes to a more sustainable environment. The use of eco-friendly refrigerants reinforces Friedrich's commitment to environmentally conscious technology.

Friedrich MW18Y3H and MR24Y3H come equipped with various advanced technologies to enhance user experience. For instance, they feature electronic controls with a digital display, allowing for easy temperature adjustments and monitoring. The units also utilize multi-speed fan options, enabling users to customize their cooling experience based on their preferences.

Additionally, these models are designed with a robust build quality, ensuring durability and longevity. The units are equipped with a washable, antimicrobial air filter that improves indoor air quality by trapping dust, allergens, and other particles. This feature is particularly beneficial for individuals with respiratory issues or allergies.

The MW18Y3H and MR24Y3H also offer convenient installation options. Both units are designed for through-the-wall installation, providing a sleek and unobtrusive appearance. This makes them ideal for applications where window space is limited or where a more permanent cooling solution is desired.

In summary, the Friedrich MW18Y3H and MR24Y3H stand out in the window air conditioning market due to their high cooling capacities, energy efficiency, advanced features, and durable construction. They are excellent options for anyone seeking reliable and effective cooling solutions for larger spaces.