H25-IR

Maintenance

 

 

5 Maintenance

5.1 Diagnostics Menu

The Diagnostics menu provides information about the instrument’s operation that will be useful to service technicians for the purpose of troubleshooting various fault conditions.

To display the Diagnostics menu, first press both the ENT and ESC buttons on either the instrument’s front panel or Smart probe at the same time to display the Main menu. Next, use the Up and Down buttons to highlight “DIAGNOSTICS” and then press ENT to display the Diagnostics menu.

Main Menu:

SYSTEM

 

LOG

 

SETUPS

 

CAL DATA

Diagnostics Menu:

DIAGNOSTICS

SENSOR DATA

LAST FAULT

IR EMITTER

PRESSURE

5.1.1 Sensor Data

The Sensor Data screen provides information about the sensor’s operating parameters and its surrounding environment. When contacting the Bacharach Service Department, the operator may be asked to provide this information to help in the troubleshooting process.

To display the Sensor Data screen, first display the Diagnostics menu as described in Section 5.1. Next, use the Up and Down buttons to highlight “SENSOR DATA” and then press ENT.

Sensor Data Screen Information:

LR

Measured Leak Rate

FAULT

Current Numerical Fault Code (refer to Section 5.1.2 Last Fault)

OPEN/CLOSED .... Measure / Search Flow Rate Valve Position

DET

Detector Voltage

N

Detector’s Output Noise Factor (with no gas detected)

Z

Stored Zero Voltage of Detector

DET

Detector Temperature

SPPM

PPM Corrected to Standard Pressure and Temperature

BOX

Enclosure Temperature

M

Manifold Pressure

AMB

Ambient Pressure

MPM

Moles Per Minute

AU

Average Optical Absorbency Unit of Gas being detected (0 = no gas)

PPM

Parts Per Million value of the Current Detected Gas Level

UML

Absolute Concentration of Gas in Micro Moles per Liter

Instruction 3015-4342

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Bacharach H25-IR manual Maintenance, Diagnostics Menu, Sensor Data