Table 11-1: Warning Messages - Indicated Failures - Teledyne T802 Operation Manual

Troubleshooting and Service
Suppresses the
warning messages
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
Once the last warning has
been cleared, the RANGE
function will be displayed in
the analyzer's main
MESSAGE FIELD.
Figure 11-1:
WARNING
MESSAGE
O2 CELL TEMP The O
WARN
BOX TEMP
WARNING
CANNOT DYN
SPAN
CANNOT DYN
ZERO
CONFIG
INITIALIZED
DATA INITIALIZED
REAR BOARD NOT
Motherboard not detected on power
DET
198
Teledyne API T802 Paramagnetic O
To view or clear the various warning messages press:
SAMPLE
TEST
SAMPLE
<TST TST>
SAMPLE
TEST
SAMPLE
TEST
SAMPLE
<TST TST>
Viewing and Clearing Warning Messages

Table 11-1: Warning Messages - Indicated Failures

FAULT CONDITION
cell temp is controlled at 50
2
°
 2
C.
Box Temp is
° °
< 8 C or > 50 C.
Dynamic Span operation failed
Dynamic Zero operation failed
Configuration and Calibration data
reset to original Factory state.
Data Storage in DAS was erased
up.
SYSTEM RESET O2=XXX.XX
CAL MSG CLR SETUP
RANGE=100 % O2=XXX.XX
CAL MSG SETUP
WARNING O2=XXX.XX
CAL MSG CLR SETUP
SYSTEM RESET O2=XXX.XX
CAL MSG CLR SETUP
RANGE=100.00 % O2=XXX.XX
CAL SETUP
Bad heater
Bad temperature sensor
Bad relay controlling the heater
Entire relay board is malfunctioning
2
I C bus malfunction
NOTE: Box temperature typically runs ~7
ambient temperature.
Poor/blocked ventilation to the analyzer.
Stopped exhaust-fan
Ambient temperature outside of specified range
Measured concentration value is too high or low.
Concentration slope value to high or too low
Measured concentration value is too high.
Concentration offset value to high.
Failed disk on module
User erased data
Failed Disk on Module
User cleared data
Warning only appears on serial I/O COM port(s)
Front panel display will be frozen, blank or will not respond.
Massive failure of mother board
Analyzer Operation Manual
2
MSG returns the active
warnings to the message
field.
Press CLR to clear the current
message.
If more than one warning is
active, the next message will take
its place.
POSSIBLE CAUSES
o
c warmer than
07275B DCN6418