(SECTION SIX: Troubleshooting continued)

Error Codes

In the event of a problem, the power status indicator (2) will flash error code(s) in red. Errors are identified by a sequence of 3, 4, or 5 flashes. There is a pause between codes, and in the case where there is only one error code, the same code is repeated.

 

 

 

 

 

 

Diagnostic Code

Possible Condition

Course of Action

 

 

 

 

 

 

3 flashes

Excessive current draw

Check loudspeaker and

 

 

 

cables for short circuits.

 

 

 

 

 

 

 

 

If you are driving more

 

 

 

than one loudspeaker

 

 

 

 

 

 

 

 

per channel, check that

 

 

 

the combined load does

 

 

 

 

 

 

 

 

not drop below 2 Ohms.

 

 

 

The power breaker

 

 

 

 

 

 

 

 

switch must be shut off

 

 

 

to reset the fault condi-

 

 

 

tion.

 

 

 

 

 

 

4 flashes

Excessive temperature

Allow the amplifier to

 

 

 

cool, and increase venti-

 

 

 

lation. If the problem

 

 

 

 

 

 

 

 

persists, please call the

 

 

 

factory.

 

 

 

 

 

 

 

 

 

 

 

5 flashes

Excessive DC at input

Check the preamplifier

 

 

 

output and source out-

 

 

 

puts for excessive DC

 

 

 

voltage.

 

 

 

If you are using a tube

 

 

 

preamplifier, use only

 

 

 

the single-ended inputs,

 

 

 

as they are capacitor

 

 

 

coupled.

 

 

 

 

 

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Krell Industries Evolution manual Error Codes, Diagnostic Code Possible Condition Course of Action

Evolution specifications

Krell Industries has established itself as a pioneer in high-performance audio equipment, renowned for delivering unparalleled sound quality and innovative technologies. Founded in 1980, the company quickly became synonymous with premium amplification, earning accolades from audiophiles worldwide. Over the years, Krell has evolved its product lineup to include not only amplifiers but also preamplifiers, digital audio players, and complete home theater systems.

One of the hallmark features of Krell products is their robust build quality. The company employs a strong engineering ethos that prioritizes durability and reliability in all its offerings. The iconic, heavy chassis of Krell components serves not only as a protective shell but also minimizes vibrations, which can adversely affect sound quality. This engineering strategy is evident in their signature line of amplifiers, which utilize high-grade materials and precision craftsmanship to ensure longevity and optimum performance.

Krell has also been at the forefront of technological advancements. The introduction of class A amplification circuitry is one such innovation that has been integral to the company's sound signature, allowing for minimal distortion and a rich, dynamic range. This technology ensures that even the most subtle nuances in music are reproduced with fidelity and clarity.

Moreover, Krell has embraced digital audio, creating DACs (digital-to-analog converters) and streaming devices that support high-resolution audio formats. This commitment to digital excellence reflects the company's understanding of evolving consumer preferences. Many of their devices feature wireless connectivity options, allowing users to stream music seamlessly from various sources without sacrificing audio quality.

In addition, Krell emphasizes user-friendly interfaces and versatility in its designs. Customers can often find features such as programmable presets, remote control functionality, and intuitive navigation systems, making it easier to tailor their listening experience.

Krell Industries’ evolution over the years showcases a dedication to audio fidelity, technological advancement, and stylish design. As the company continues to innovate within the high-end audio landscape, it maintains its reputation as a brand that audiophiles can trust, delivering exceptional sound experiences that stand the test of time.