Teledyne LGA-3500 - Laser Gas Analysis system - Manual (Page 77)

Laser Gas Analyzer Alarm Messages
Teledyne Analytical Instruments 63
Table 5.2: LCD Display Alarm Messages
Alarm
Code on
LCD
Possible
Cause of the
alarm
Relay Status
a. Warning Alarm
b. Error Alarm
c. Conc. Alarm
(O=Open
C=Closed)
4-20mA
Output
Trouble shooting
02
03
11
13
15
17
18
57
58
Model 3500S
has internal
system error
a=O b=O c=C 2mA
Write down the alarm code;
power off the system; reboot
the system in an hour; If the
same alarm persists, contact
technical support center.
05/06
The temperature
inside the Model
3500S central
processing unit
is too high/low.
a=O b=O c=C 2mA
Power off the system; check
whether the environment
temperature inside/outside of
the central processing unit is
abnormal; reboot the system
after making sure that the
temperature is normal. If the
same alarm persists, contact
the technical support center.
08/09
The laser
temperature is
too high/low.
a=O b=O c=C 2mA
Power off the system; reboot
the system in an hour; If the
same alarm persists, contact
the technical support center.
20
Background
radiation is too
strong during
system self test.
a=O b=O c=C 2mA
Power off the system; reboot
the system in an hour; If the
same alarm persists, contact
the technical support center.