( Continued from the previous page A. )

( Continued from the previous page B. )

A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

Yes

 

 

 

Is the voltage of about DC22V to

 

 

 

 

 

 

24V given between the terminals

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 and 3 on the indoor unit terminal strip

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Serial Communication Line) ?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Fig. 2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No

 

Defect or connection error

 

 

 

 

 

Defect in the indoor unit

 

in the inter-unit cable

 

 

 

 

 

 

 

P.C. board

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor Unit

1. Turn OFF the power and wait until the power lamp (LED)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

of the outdoor unit controller is turned OFF.

 

 

 

 

1

2

 

3

4

5

6

 

2. Short-circuit between the terminals 2 and 3 on the outdoor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

unit terminal strip.

(Fig. 3)

 

 

 

 

 

 

 

 

 

 

Power

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

 

3

 

 

 

 

 

 

 

 

 

 

 

Indoor Unit

1. Turn ON the power and operate the system using the

 

 

 

 

Fig. 3

remote controller or the operation button on the indoor unit.

 

 

 

 

2.Perform the self-diagnosis five seconds after the operation start.

Alarm Code : E07/P04/P05/

What is the latest self-diagnosis result ?

P20/P27

 

 

 

Defect in the outdoor unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P.C. board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Alarm Code : E05

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor Unit

 

 

 

 

 

 

 

Outdoor Unit

1. Turn off the power and wait until the power lamp (LED)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

of the outdoor unit controller is turned OFF.

 

 

1

2

3

4

5

6

 

1

2

3

4

5

6

 

2. Remove the short-circuit between the terminals 2 and 3 on

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the outdoor unit terminal strip.

 

 

 

 

 

 

 

 

 

Power

 

 

 

 

 

 

 

 

Power

 

 

 

 

 

 

 

 

 

 

 

 

3. Disconnect the cable from the terminal 3 on the indoor unit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

terminal strip.

(Fig. 4)

 

1

2

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Short-circuit between the terminals 2 and 3 on the indoor unit

terminal board.

(Fig. 5)

Indoor Unit

Indoor Unit

Fig. 4

Fig. 5

1.Turn ON the power and operate the system using the remote controller or the operation button on the indoor unit.

2.Perform the self-diagnosis five seconds after the operation start.

Alarm Code : E07/P04/P05/

P20/P27

What is the latest self-diagnosis result ?

Alarm Code : E05

Defect in the indoor unit

P.C. board

Defect or connection error

in the inter-unit cable

46

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Image 46
Panasonic CS-KE36NKU, CU-KE36NKU, CU-KE30NKU, CS-KE30NKU service manual From the previous page a
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CS-KE30NKU, CS-KE36NKU, CU-KE30NKU, CU-KE36NKU specifications

The Panasonic CU-KE36NKU, CS-KE36NKU, CU-KE30NKU, and CS-KE30NKU air conditioning units represent the brand's commitment to delivering high-performance cooling solutions backed by innovative technologies. These units cater to both residential and commercial applications, ensuring users experience maximum comfort throughout the year.

One of the standout features of these models is their energy efficiency. Both units are equipped with advanced inverter technology, which allows for variable speed operation. This means they can adjust their power output according to the room's cooling needs, reducing energy consumption and minimizing electric bills while maintaining a consistent temperature. The models boast impressive SEER (Seasonal Energy Efficiency Ratio) ratings, making them environmentally friendly options.

Panasonic's nanoe-G technology is another remarkable feature incorporated into these models. This technology helps to purify the air by generating hydroxyl radicals, which eliminate airborne particles, odors, and harmful bacteria. This results in a healthier indoor environment, conducive to both comfort and well-being. The air purification aspect not only enhances the air quality but also extends the lifespan of the HVAC system by reducing the buildup of dust and contaminants.

In terms of user convenience, both the CU-KE and CS-KE series are equipped with programmable timers, allowing users to set their desired operation schedules. They also come with a remote control for ease of use, enabling adjustments from a distance. The installation process is straightforward, and the sleek design blends seamlessly with various interior aesthetics, making them a suitable choice for any room.

Durability is a key characteristic of Panasonic air conditioning units, and the CU-KE36NKU, CS-KE36NKU, CU-KE30NKU, and CS-KE30NKU are designed to withstand varying environmental conditions. Their robust construction ensures reliability and performance over the years. Additionally, both models come with a quiet operation feature that minimizes noise levels, allowing for comfortable use without disturbing daily activities.

In summary, the Panasonic CU-KE36NKU, CS-KE36NKU, CU-KE30NKU, and CS-KE30NKU are exceptional air conditioning units that combine energy efficiency, innovative purification technology, user-friendly features, and robust durability. These models are an ideal investment for anyone seeking a reliable and high-performance cooling solution.
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