0 maintenance, 5ppm exit – ENMET AM-5175 User Manual

Page 11

AM-5175

ENMET Corporation

5.0 Maintenance

The

AM-5175

maintenance menus are accessed by pressing the

ENU

button and

ELECT

button as described in the

maintenance menu section.

5.1 Maintenance Menus

AUTION

Do Not Attempt A Span Procedure Without Calibration Gas Applied to The Sensor; if this is done, the instrument is

forced into a calibration fault mode.

Pushbutton switches control the

ENU

and

ELECT

functions. The

ENU

and

ELECT

button locations are indicated on the

display panel, see Figure 1. The

ENU

button is used to display the various menu options and make incremental changes to

numbers such as alarm points, calibrations gas, etc. The

ELECT

button is used to select that option, set zero or span digit.

To enter the maintenance menu press and hold the

ENU

button for 2 to 4 seconds

Table 2 indicates the maintenance menu sequence see Figure 6 for a detailed maintenance menu flow chart.

OTE

Software revision may cause variations of display output.

Table 2: AM-5175 Maintenance Menus Sequence

Example of Display

Function

Normal Display Mode

Measurement of CO

Press and hold the

ENU

button for 2 – 4 seconds to enter the Maintenance Menu

The Power/Fault LED will flash Green – Red to indicate the

AM-5175

is in Maintenance Mode

To exit the maintenance Menu and return to the
Normal Display Mode:

If intended function Press

ELECT

button

Press the

ENU

button to advance to the Zero procedure

Not Present for Oxygen Units

For adjusting Zero:

If intended function Press

ELECT

button

Press the

ENU

button to advance to the Span procedure

For adjusting the Span:
If intended function Press

ELECT

button

Press the

ENU

button to advance to each Alarm set point procedures

For adjusting the Alarm 1, 2 and 3 set points:
If Intended function Press

ELECT

button

Press the

ENU

button to advance the mA Span set point procedure

For adjusting the mA Span set point:
If intended function Press

ELECT

button

Pressing the

ENU

button without pressing the

ELECT

button will allow you to cycle through the menu options.

You must Press the

ELECT

button in order to initiate the desired operation.

5ppm

Exit

Zero

Span

mA Span

Alarm1

Alarm2

Alarm3