E - 1
Model 4500 MkIII
Opacity and Dust Monitor
User Guide
E
Maintenance
E1 Identifying Faults
The Model 4500 MkIII Dust and Opacity Monitor has been designed to assist
the user to find and correct a number of possible problems. If the instrument
detects a problem it will switch off the Green System OK LED and de-
energise the System OK relay.
Further diagnostic information may be obtained as follows:
1)
Press
2) Use the and arrows to select Diagnostics
and press
The number of faults present is shown in the top left corner of the
display.
3) If the number of faults is not zero, use the
and arrows to select
List Faults
and press
The first Fault Number is displayed. Its meaning and the recommended
action are listed in the Table opposite.
4) Use the and
arrows to see any other Fault Numbers. If there are
no other faults, the number will not change.
5) Press
6) To clear the faults, use the
and arrows to select Clear Faults
and press
. The number of faults will be updated. If there are still
faults present, this will not be zero.
Note
The list of displayed faults is only updated on entry to the diagnostics
menu, and in response to a Clear Faults instruction. Changes in fault
status while the Diagnostics menu is in use may not be visible.
7)
Press
to return to the main screen.
Summary of Contents for 4500 MKIII
Page 4: ...Opacity and Dust Monitor User Guide Model 4500 MkIII Preface Blank...
Page 6: ...INTRODUCTION A...
Page 29: ...A 23 Model 4500 MkIII Opacity and Dust Monitor User Guide A4 3 Mounting the AFU APS I O...
Page 41: ...GETTING STARTED B...
Page 42: ...Opacity and Dust Monitor User Guide Model 4500 MkIII Preface Blank...
Page 76: ...THEORY OF OPERATION AND APPLICATION C...
Page 86: ...SYSTEM SPECIFICATION D...
Page 91: ...MAINTENANCE E...
Page 108: ...CHANGING THE INSTALLATION PATHLENGTH F...
Page 113: ...INSTRUMENT RECORD SHEETS G...
Page 114: ...Blank...
Page 117: ...OPTIONAL I O MODULES FOR AFU H...
Page 118: ...Blank...
Page 124: ...LONG PATHLENGTH OPTION App 1...
Page 126: ...Opacity and Dust Monitor User Guide Model 4500 MkIII App 1 2...