Crowcon T4 - Page 50

50
Fault /
Warning
ID
Warning/Fault Display Image Status/Cause Operator
Action
26
27
28
29
‘X’
Whilst in ‘zero menu’.
(The warning ID code
for each specic
gases is shown in the
adjacent column)
H
2
S
O
2
CO
LEL
Zero Failure
Displayed if the result
of a sensor zero was
a fail.
The ‘X’ indicates
which sensor has
failed the zero (in the
example all gases
failed the zero).
Ensure T4 is in
‘clean air’ and
repeat the zero
operation.
T4 must be
returned to a
service centre
for further
investigation and
repair if the zero
is not successful
when repeated.
42
43
44
45
‘X’
Whilst in ‘autozero
function’.
(The recorded
warning ID code for
each specic gases is
shown in the adjacent
column)
H
2
S
O
2
CO
LEL
Autozero Abort
Displayed if an
autozero was
aborted due to T4
detecting gas being
present outside
acceptable limits.
The ‘X’ indicates
which sensor has
failed the zero (in the
example all gases
failed the zero).
Ensure T4 is in
‘clean air’ and
repeat the zero
operation.
T4 must be
returned to a
service centre
for further
investigation and
repair if the zero
is not successful
when repeated.
Contents
Exit
Prologue
Operation
Maintenance
Specication
Accessories
Troubleshooting
Appendices
Warranty
Set-up