Table 12-1: Warning Messages - Indicated Failures - Teledyne T300 Operation Manual

Teledyne API – Model T300/T300M CO Analyzer

Table 12-1: Warning Messages - Indicated Failures

WARNING
MESSAGE
BENCH TEMP
WARNING
BOX TEMP
WARNING
CANNOT DYN
SPAN
CANNOT DYN
ZERO
CONFIG
Configuration and Calibration data
INITIALIZED
DATA INITIALIZED Data Storage in DAS was erased
PHOTO TEMP
WARNING
Motherboard not detected on power
REAR BOARD NOT
DET
RELAY BOARD The CPU cannot communicate with
WARN
SAMPLE FLOW Sample flow rate is < 500 cm
WARN
SAMPLE PRES
Normally 29.92 in-Hg at sea level
WARN
decreasing at 1 in-Hg per 1000 ft of
06864B DCN6314
FAULT CONDITION
The optical bench temp is
controlled at 48 ± 2 °
C.
Box Temp is
° °
< 5 C or > 48 C.
Dynamic Span operation failed
Dynamic Zero operation failed
reset to original Factory state.
PHT DRIVE is
>4800 mVDC
up.
the Relay Board.
3
or > 1000 cm /min.
Sample Pressure is <10 in-Hg or
> 35 in-Hg
altitude (with no flow – pump
disconnected).
Bad bench heater
Bad bench temperature sensor
Bad relay controlling the bench heater
Entire relay board is malfunctioning
2
I C bus malfunction
NOTE: Box temperature typically runs ~7
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
Failed IR photo-detector
Failed sync/demod board
IR photo-detector improperly attached to the sample chamber
Bench temp too high.
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
2
I C bus failure
Failed relay board
Loose connectors/wiring
Failed sample pump
Blocked sample inlet/gas line
3
/min
Dirty particulate filter
Leak downstream of critical flow orifice
Failed flow sensor/circuitry
If sample pressure is < 10 in-hg:
Blocked particulate filter
Blocked sample inlet/gas line
Failed pressure sensor/circuitry
If sample pressure is > 35 in-hg:
Pressurized sample gas. Install vent
Blocked vent line on pressurized sample/zero/span gas supply
Bad pressure sensor/circuitry
Troubleshooting and Service
POSSIBLE CAUSES
o
C warmer than ambient
257