Figure 9-1. Viewing And Clearing Warning Messages - Teledyne T101 Operation Manual

Troubleshooting & Service
In WARNING mode, <TST TST>
buttons replaced with TEST
buttom. Pressing TEST switches
to SAMPLE mode and hides
warning messages until new
warning(s) are activated.
If warning messages re-appear,
the cause needs to be found. Do
not repeatedly clear warnings
without corrective action.
WARNING
FAULT CONDITION
MESSAGE
ANALOG CAL The instrument's A/D
WARNING circuitry or one of its
analog outputs is not
calibrated
Box Temp is < 5
BOX TEMP
> 48
WARNING
Dynamic Span
CANNOT DYN
operation failed
SPAN
Dynamic Zero
CANNOT DYN
operation failed
ZERO
C onfiguration and
CONFIG
C alibration data reset
INITIALIZED
to original Factory
state.
CONV TEMP The temperature of the
H S  SO
WARNING
2
converter is outside its
optimal operating
range.
DARK CAL The Dark Cal signal is
WARNING higher than 100 mV.
DATA Data Storage in DAS
INITIALIZED was erased
HVPS WARNING High voltage power
supply output is <400
V or >900 V
214
To view or clear a warning message press:
SAMPLE SYSTEM RESET
TEST CAL
SAMPLE RANGE=500 PPB
< TST TST > CAL
SAMPLE SYSTEM RESET
< TST TST > CAL

Figure 9-1. Viewing and Clearing Warning Messages

Table 9-1. Warning Messages - Indicated Failures
A parameter for one of the analog outputs has been changed and the
A/D circuitry failure on motherboard
Other motherboard electro9nic failure
°
C or NOTE: Box temperature typically runs ~7
°
C .
Poor/blocked ventilation to the analyzer.
Stopped exhaust-fan
Ambient temperature outside of specified range
Measured concentration value is too high or low.
C oncentration slope value to high or too low
Measured concentration value is too high.
C oncentration offset value to high.
Failed disk on module
User erased data
Bad converter heater
Bad converter temperature sensor
catalytic
2
Bad relay controlling the converter heater
Entire relay board is malfunctioning
2
I C buss malfunction
Light leak in reaction cell
Shutter solenoid is not functioning
Failed relay board
2
I C bus failure
Loose connector/wiring
PMT preamp board bad or out of cal
Failed disk on module
User cleared data
High voltage power supply is bad
High voltage power supply is out of cal
A/D converter circuitry is bad
H2S = XXX.X
MSG CLR SETUP
H2S = XXX.X
MSG CLR SETUP
H2S = XXX.X
MSG CLR SETUP
POSSIBLE CAUSES
calibration routine was not re-run
temperature.
Teledyne ML - T101 Operation Manual
MSG indicates that one or more
warning message are active but
hidden. Pressing MSG cycles
through warnings
In SAMPLE mode, all warning
messages are hidden, but MSG
button appears
Press CLR to clear the current
warning message.
If more than one warning is
active, the next message will
take its place.
Once the last warning has been
cleared, the analyzer returns to
SAMPLE Mode.
o
c warmer than ambient