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Teledyne Tablet Accessory T803 Manual De Usuario

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Troubleshooting and Service 
Teledyne API T803 CO2/O2 Analyzer Operation Manual 
184 
 
To view or clear the various warning messages press: 
Suppresses the 
warning messages
Press CLR to clear the current 
message.
If more than one warning is 
active, the next message will take 
its place.
Once the last warning has 
been cleared, the RANGE
function will be displayed in 
the analyzer’s main 
MESSAGE FIELD.
NOTE:
If a warning message persists after 
several attempts to clear it, the message 
may indicate a real problem and not an 
artifact of the warm-up period
SAMPLE                 SYSTEM RESET        CO2=XXX.XX
TEST
CAL
  MSG CLR SETUP
SAMPLE                 CO2 RNG=100 %        CO2=XXX.XX
<TST   TST>
CAL
  MSG
SETUP
SAMPLE                WARNING             CO2=XXX.XX
TEST
CAL
  MSG
CLR
SETUP
SAMPLE                  SYSTEM RESET       CO2=XXX.XX
TEST
CAL
  MSG
CLR
SETUP
MSG returns the active 
warnings to the message 
field.
SAMPLE
CO2 RNG=100.00 %         CO2=XXX.XX
<TST   TST>
CAL
SETUP
 
Figure 11-1: 
Viewing and Clearing Warning Messages 
 
Table 11-1:  Warning Messages - Indicated Failures 
WARNING 
MESSAGE 
FAULT CONDITION 
POSSIBLE CAUSES 
O2 CELL TEMP 
WARN 
Sensor cell temperature is outside 
specified warning limits 
Bad bench heater  
Bad bench temperature sensor 
Bad relay controlling the bench heater 
Entire relay board is malfunctioning 
I
2
C bus malfunction 
CO2 CELL TEMP 
WARN 
Sensor cell temperature is outside 
specified warning limits 
Bad bench heater  
Bad bench temperature sensor 
Bad relay controlling the bench heater 
Entire relay board is malfunctioning 
I
2
C bus malfunction 
BOX TEMP 
WARNING 
Box Temp is  
< 8 
°
C or > 50 
°
C. 
NOTE: Box temperature typically runs ~7
o
c warmer than ambient 
temperature.   
Poor/blocked ventilation to the analyzer. 
Stopped exhaust-fan 
Ambient temperature outside of specified range  
CANNOT DYN 
SPAN 
Dynamic Span operation failed 
Measured concentration value is too high or low. 
Concentration slope value to high or too low 
CANNOT DYN 
ZERO 
Dynamic Zero operation failed 
Measured concentration value is too high. 
Concentration offset value to high. 
CONFIG 
INITIALIZED 
Configuration and Calibration data 
reset to original Factory state. 
Failed disk on module 
User erased data 
DATA INITIALIZED 
Data Storage in DAS was erased 
Failed Disk on Module 
User cleared data 
REAR BOARD NOT 
DET 
Motherboard not detected on power 
up. 
Warning only appears on serial I/O COM port(s) 
Front panel display will be frozen, blank or will not respond. 
Massive failure of motherboard 
07276B DCN6418