Indicators – CognitiveTPG A799 User Manual

Page 14

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Chapter 2: Diagnostics and Configuration

14

Revision D 12/09

A799-PG00001D

Indicators

The printer communicates various conditions both visually, with the green LED or audibly, with a series of tones or beeps.
The following table lists these indicators.
Indicator

Sequence

Condition

LED

Continuous, flashing quickly

Paper out

Cover off

Knife unable to home

LED

Continuous, flashing slowly

Paper is low

(if paper low sensor is installed)

Printhead too hot

Voltages out of range

Tone

Two-tone beep

Start-up diagnostics completed successfully

(low frequency, high frequency)

LED

Single beep

Boot CRC test failure

and Tone

Single LED flash

LED

Double beep

SRAM test failure

and Tone

Double LED flash

LED

Triple beep

EEPROM test failure

and Tone

Triple LED flash

LED

Four beeps

Dynamic memory initialization failure

and Tone

Four LED flash

LED

Two-Tone beep

Main program CRC test failure

and Tone

(high frequency, low frequency)

Or

Continuous flashing of LED

DIP switch is in on position indicating

flash download mode

The printer is also able to communicate its status to the host application if the application has been programmed to receive
this information

For more information about

See this section

Error conditions and correcting them

“ Troubleshooting the printer” on page 30, Chapter 4:

Using the Printer, in the A799 User Guide

Communication of printer status to the host application

“Command descriptions” in Chapter 4: Programming

commands, Status sections.

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