Manual

AM-5175 ENMET Corporation

5.0 Maintenance

The AM-5175 maintenance menus are accessed by pressing the MENU button and SELECT button as described in the

maintenance menu section.

5.1 Maintenance Menus

CAUTION: 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 MENU and SELECT functions. The MENU and SELECT button locations are indicated on the

display panel, see Figure 1. The MENU button is used to display the various menu options and make incremental changes to

numbers such as alarm points, calibrations gas, etc. The SELECT button is used to select that option, set zero or span digit.

To enter the maintenance menu press and hold the MENU 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 MENU 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 SELECT button

Press the MENU button to advance to the Zero procedure

Not Present for Oxygen Units

For adjusting Zero:

If intended function Press SELECT button

Press the MENU button to advance to the Span procedure

For adjusting the Span:

If intended function Press SELECT button

Press the MENU button to advance to each Alarm set point procedures

For adjusting the Alarm 1, 2 and 3 set points:

If Intended function Press SELECT button

Press the MENU button to advance the mA Span set point procedure

For adjusting the mA Span set point:

If intended function Press SELECT button

Pressing the MENU button without pressing the SELECT button will allow you to cycle through the menu options.

You must Press the SELECT button in order to initiate the desired operation.

5ppm

Exit

Zero

Span

mA Span

Alarm1

Alarm2

Alarm3