Honeywell Searchline Excel User Manual

61
MAN0530 Issue 10 - 11/09 Searchline Excel
2104M0506
The majority of gas detector problems/faults can be diagnosed and corrected using the
installation and alignment kit.
The alignment kit includes:
 • SHC1HandheldInterrogator
 • alignmenttelescope
 • setoffunctionaltestlters
An electrical multimeter is also useful when diagnosing electrical/wiring problems.
Refer to the troubleshooting tables in this chapter for a list of problems, possible causes and
actions.
Caution: Searchline Excel does not contain any user serviceable parts. Do not open either
the Transmitter or Receiver unit. The warranty of units which have been opened is
invalidated.
NOTE: THE INFRARED BEAM IS INVISIBLE AND EYE SAFE.
RS485 Modbus signal errors may occur when Excel is connected via a DVC100(M) MK2 or
DX100(M) Termination Unit and is interrogated/commanded from a network control centre.
For troubleshooting these issues refer to the DX100 Series Termination Units Technical
Handbook.
If, after following the recommendations in this section, the problem persists, please make
available the following information before contacting Honeywell Analytics:
 • InstallationCheckSheet
See Chapter 3.
 • Anyerrormessage
Displayed on the Handheld Interrogator screen.
 • Anyerrorcode
Displayed on the Handheld Interrogator screen.
Fault/Problem Causes Remedies
Output is 0mA Unit is in FAULT Connect the SHC1 Interrogator to the unit and use its
condition DIAGNOSTIC menu options to ascertain the reason for the
FAULT report.
Beam block Check that beam path is clear from the Transmitter to
the Receiver. Remove any obstruction if present.
Transmitter 1) Connect the SHC1 Handheld Interrogator to the
or Receiver unit and check the signal levels.
misaligned 2) If signal levels are low, use the telescope and
Interrogator to optimise Receiver alignment.
3) If signal levels remain low after re-aligning
Receiver, check the Transmitter alignment using telescope.
4) Re-zero the unit after alignment. See Appendix A.5.3.4.
5. PROBLEM SOLVING

Honeywell Searchline Excel Specifications

General

Brand	Honeywell
Model	Searchline Excel
Category	Other
Language	English