Trouble Shooting

1.Accessories

The following cases may not always be a malfunction, please check it before asking for service.

Trouble

Analysis

Does not run

If the protector trip or fuse is blown.

 

Please wait for 3 minutes and start again,

 

protector device may be preventing unit to work.

 

.

 

If batteries in the remote controller exhausted.

 

If the plug is not properly plugged.

 

Is the air filter dirty?

Not cool enough

Are the intakes and outlets of the air

 

conditioner blocked

 

Is the temperature set properly

 

Is the fresh air lever shut off

 

Is the door or windows closed

Peculiar odor

This odor may come from another source

such as furniture, cigarette etc, which is

 

sucked in the unit and blows out with the air.

Sound of

Caused by the flow of refrigerant in the

air conditioner, not a trouble.

flowing water

 

 

The sound may be generated by the expansion

Cracking sound

or contraction of the front panel due to change

of temperature.

Spray mist from

Mist appears when the room air becomes

the outlet

very cold because of cool air discharged

 

from indoor unit during COOLING or DRY

 

operation mode.

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NEC RWC-4717, RWC-3217 user manual Trouble Shooting, Accessories

RWC-4717, RWC-3217 specifications

The NEC RWC-3217 and RWC-4717 are advanced wireless communication devices designed to meet the demands of modern networking environments. These products showcase NEC's commitment to innovation, offering robust performance and versatile features that make them suitable for a variety of applications, from enterprise networking to public safety communications.

The NEC RWC-3217 is engineered to provide high-capacity Wi-Fi coverage, making it ideal for medium to large venues. One of its standout features is its tri-band capability, which allows it to operate on three frequency bands, providing enhanced speed and reliability. This feature is particularly beneficial in crowded environments where multiple devices are connected simultaneously, ensuring that users experience minimal latency and uninterrupted connectivity.

On the other hand, the NEC RWC-4717 takes performance to the next level with its support for the latest Wi-Fi 6 (802.11ax) technology. This technology offers significant improvements over previous generations, including better efficiency in high-density environments and increased throughput. Its advanced beamforming capabilities help direct signals to client devices more effectively, resulting in improved range and connection quality.

Both models come equipped with NEC's proprietary Load Balancing technology, which intelligently distributes network traffic across available access points. This ensures optimal utilization of available bandwidth, preventing bottlenecks and enhancing the overall user experience. Additionally, these devices feature advanced security protocols, including WPA3 encryption, to protect sensitive data and maintain user privacy.

In terms of deployment and management, the RWC-3217 and RWC-4717 support seamless integration with NEC's cloud-based management platform. This platform provides network administrators with real-time monitoring and analytics, allowing for efficient management of multiple devices across various locations. The intuitive interface facilitates easy configuration, troubleshooting, and performance optimization.

The design of both units is also noteworthy. They are compact and aesthetically pleasing, allowing for discreet installation in various environments. Their rugged construction ensures durability, making them suitable for both indoor and outdoor deployment.

In conclusion, the NEC RWC-3217 and RWC-4717 are powerful wireless communication solutions that leverage advanced technologies to deliver enhanced performance, security, and manageability. Their unique features make them excellent choices for organizations seeking to optimize their wireless networks.