321 Studios P777 manual Fault status indicators

Page 12

Fault status indicators

The LED patterns below indicate the following fault conditions:

LED status

Description

Amplifier action

All LEDs are green

This is the normal operating state of the amplifier.

None

During power up all LEDs stay red for an extended time

The amplifier is waiting for the DC offset fault lines to

To verify excessive DC offset voltage, remove the

 

clear. A DC offset fault can occur if an excessive DC

interconnect leads (with the P777 switched off) and turn

 

voltage is present at the output of the pre-amp feeding

on the P777. The fault should have cleared.

 

the P777. Normal operation resumes if the lines clear in

 

 

20 seconds.

 

During power up or normal operation, one or more

The DC fault cannot be cleared. The channels with the

The amplifier shuts down. The power switch must be

LEDs are flashing green, with the remaining LEDs solid

flashing green LEDs represent the amplifier modules that

cycled to reset the amplifier (cycling the trigger does

red

have a DC offset fault. Alternatively, a DC offset fault has

NOT reset the amplifier).

 

reoccurred on the same channel within 12 seconds of a

 

 

previous DC offset fault clearance.

 

During power up or normal operation, one or more

The amplifier is attempting to clear a DC offset fault on a

The amplifier mutes the channel with the fault and its

LEDs are flashing green, with the remaining LEDs NOT

channel with the flashing green LED.

paired channel. The amplifier stays in this state for up

solid red

 

to two seconds or until the fault clears (whichever is

 

 

sooner).

During power up or normal operation, one or more

A short circuit fault cannot be cleared. The flashing red

The amplifier shuts down. The power switch must be

LEDs are flashing red, with the remaining LEDs solid

LEDs represent the amplifier modules with a short circuit

cycled to reset the amplifier (cycling the trigger resets the

red

fault. Alternatively, a short circuit fault has reoccurred on

amplifier).

 

the same channel within 12 seconds of a previous short

 

 

circuit fault clearance.

 

During power up or normal operation, one or more

The amplifier is attempting to clear a short circuit fault on

The amplifier mutes the channel with the fault and its

LEDs are flashing red, with the remaining LEDs NOT

a channel with the flashing red LED.

paired channel. The amplifier stays in this state for up

solid red

 

to half-a-second or until the fault clears (whichever is

 

 

sooner).

During power up or normal operation, one or more

The amplifier is attempting to clear an over temperature

The amplifier mutes the channel with the fault and its

LEDs are flashing amber

fault on a channel with the flashing amber LED.

paired channel and the fan is set to maximum speed. The

 

 

amplifier stays in this state until the channel has cooled.

During power up or normal operation, one LED is

An over temperature fault has reoccurred on the same

The amplifier shuts down. The power switch must be

flashing amber, with the remaining LEDs solid red

channel within 12 seconds of a previous over temperature

cycled to reset the amplifier (cycling the trigger resets the

 

fault clearance. The flashing amber LEDs represent the

amplifier).

 

amplifier modules with an over temperature fault.

 

During power up or normal operation, all the LEDs are

The amplifier is attempting to clear an over temperature

The amplifier mutes all channels and the fan is set to

flashing amber

fault on more than one channel, or the power

maximum speed. The amplifier stays in this state until all

 

transformers have overheated.

channels have cooled, or the transformer has cooled.

During normal operation, all the LEDs are solid red

An over temperature fault has reoccurred on one or more

The amplifier shuts down. The power switch must be

 

channels, or the power transformers have overheated

cycled to reset the amplifier (cycling the trigger resets the

 

within 12 seconds of a previous over temperature fault

amplifier).

 

clearance.

 

During power up or normal operation, one or more

A DC offset fault occurred on one or more channels

The amplifier shuts down. The power switch must be

LEDs are flashing amber, with the remaining LEDs

while attempting to clear a multiple over temperature

cycled to reset the amplifier (cycling the trigger does

flashing green

fault.

NOT reset the amplifier).

During power up or normal operation, one or more

A short circuit fault occurred on one or more channels

The amplifier shuts down. The power switch must be

LEDs are flashing amber, with the remaining LEDs

while attempting to clear a multiple over temperature

cycled to reset the amplifier (cycling the trigger resets the

flashing red

fault.

amplifier).

E-10

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Contents N d b o o k Multichannel power amplifier P777Français Instructions de sécurité importantesRespect des consignes de sécurité Safety Guidelines Important safety instructionsSafety compliance EnglishPage Contents Installation Input select switch Power inletInterconnect cables XLR audio inputSpeaker placement Speaker wiring optionsSpeakers Single wiring English Bi-wiringBi-amping Channels per speakerOperating procedure OperationFront panel control No Lights on the Unit Red LED presentNo sound is produced Sound is poor and badly distortedFault status indicators Specifications Switch onContinual improvement policy Radio interferenceProduct Guarantee Warranty coversCorrect disposal of this product English SH213E Issue

P777 specifications

321 Studios P777 is a cutting-edge software solution designed primarily for multimedia content management and distribution. Aimed at both individual users and enterprises, the P777 incorporates a range of advanced features and technologies that set it apart in the competitive landscape of digital media tools.

One of the main features of the P777 is its user-friendly interface. The intuitive layout allows users, regardless of their technical proficiency, to navigate seamlessly through the myriad functionalities of the software. This ease of use is complemented by a customizable dashboard that can be tailored to focus on the tools and features most relevant to each user’s workflow.

The P777 is built on a robust technology stack that includes cloud-based storage solutions. This means users can access their media files from anywhere in the world, promoting collaboration and flexibility. The integration of artificial intelligence plays a significant role in the P777’s capabilities, as it offers smart tagging and automatic organization of files based on user preferences and previous behavior. This AI-driven feature minimizes the time spent searching for content, making it an invaluable asset for professionals managing large media libraries.

Another characteristic of the P777 is its support for a variety of file formats. Whether dealing with video, audio, images, or documents, users can import, edit, and export various types of media without worrying about compatibility issues. This versatility extends to social media integration, allowing users to publish and distribute content directly to multiple platforms with just a few clicks.

In terms of security, the P777 prioritizes user data protection with advanced encryption technologies. This is crucial for businesses that handle sensitive information or proprietary content. Additionally, the software provides comprehensive analytics tools that track and report on media performance, enabling users to make informed decisions about future content strategies.

With continuous updates and a dedicated support team, 321 Studios P777 remains at the forefront of multimedia management technology. Whether for educational, professional, or personal use, the P777 is designed to enhance productivity, creativity, and efficiency in media handling, making it a leading choice for users around the globe.
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