Honeywell Searchline Excel Cross-Duct Technical Handbook page 64

MAN0889_Issue 3_03/13
Appendix A - Handheld Interrogator
If there are one or more faults present, then the faults are displayed one at a time.
Use the ▲ and ▼ keys to navigate the list.
If no active faults are present the display shows the following for three seconds:
The Diagnose sub menu is then displayed.
If there are one or more faults present, the display shows:
where: F
hh:mm
DD/MM/YY
eeeeeee
See also Chapter 6, Problem Solving.
Display Text Fault Description
Bad 4-20mA Loop ERR_EXCEL_LOOP_FAULT
DSP Fault
ERR_EXCEL_DSP_FAULT
Hardware Fault
ERR_EXCEL_HW_FAULT
NV-RAM Fault
ERR_EXCEL_FRAM_FAULT
RTC Fault
ERR_EXCEL_RTC_FAULT
Software Fault ERR_EXCEL_SW_FAULT
Supply Fault ERR_EXCEL_SUPPLY_FAULT
Active Warns
This menu option displays the active warnings in the system. They are displayed in the same way as described
for Active Faults except that a W is displayed instead of F on the first line of the display.
Display Text Fault Description
Alarm ERR_EXCEL_LOG_ALARM
Bad Temperature
ERR_EXCEL_TEMPERATURE_LIMIT
Baseline Drift
ERR EXCEL_DRIFT_LIMIT
Beam Blocked ERR_EXCEL_BEAM_BLOCKED
Neg Gas Reading ERR_EXCEL_NEGATIVE_DRIFT
Not Installation ERR_EXCEL_BAD_INSTALLATION
None Present
F-hh:mm DD/MM/YY
eeeeeeeeeeeeeeee
Indicates that the message displayed is a fault.
Time the fault occurred.
Date the fault occurred.
Fault description. See the following table for a list of error messages.
Meaning
A fault has occurred in the 4-20mA signal loop.
Fault on the gas detector's digital PCB.
A hardware fault has occurred.
A fault has been detected in the unit's NV-RAM.
The time and date record stored by the RealTime Clock (RTC)
has been lost.
An gas detector software error has occurred.
Incorrect supply voltage reaching the gas detector.
Meaning
The Excel log has become damaged.
Unit has been operated at a temperature outside its
specified and certified range.
Drift of unit's baseline.
The infrared beam between the Transmitter
and Receiver has become blocked.
Negative drift of gas detector's zero position.
Incorrect gas detector installation has occurred.
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Searchline Excel Cross-Duct Technical Handbook