2 a partial reset of the monitor – LumaSense Technologies INNOVA 1314i User Manual

Page 61

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Chapter 5

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BE6030-13

1314i Photoacoustic Gas Monitor

LumaSense Technologies A/S

Page 61 of 199

5.3.2

A Partial Reset of the Monitor

When the Monitor performs a partial reset a number of self-tests

are automatically performed. The types of tests performed depend

only upon the time, which has elapsed since the Monitor was last

switched on.

·

If more than 10 min. have elapsed since the Monitor was

switched on it will perform the software, data-integrity, and

hardware tests when switched on again.

·

If less than 10 min. have elapsed since the Monitor was switched

on it will perform only the data-integrity tests when switched on

again.

There are essentially 3 types of self-tests which can be performed

during a “partial reset” – a software test, a data-integrity test and

a hardware test.

It takes the Monitor only a few seconds to perform the data-

integrity tests; and about 3 minutes to perform both the software

and hardware test. The different tests are explained below.

Software test

This test checks the information in the Monitor’s software (ROM –

Read Only Memory.)

Data-integrity test

This test checks the integrity of the data stored in the Monitor’s

Source Memory (i.e. its EEPROM – Electrically Erasable

Programmable Read Only Memory) and the integrity of the data

stored in the Monitor’s Working Memory (RAM).

Hardware test

This test checks that the electrical, mechanical and electronic

parts of the Monitor are functioning properly.

The following parts of the Monitor are checked: the pump; the

valves in the pneumatic system; the infra-red light source; the

power supply; the filter carousel; the motor which drives the

chopper wheel; the external vibration level (to make sure that it

does not contribute to the signal measured in the analysis cell);

the analogue circuitry and the microphones (to check that they

are functioning properly).

If you do not wish the Monitor to perform the hardware test

during a partial reset, you can disable it (see

section 5.4.3

). This

also disables the regular self-tests.

If any part of the Monitor is found to be functioning incorrectly a

message will appear in the display to inform the user of the problem.

For example:

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