SS2000 Operator’s Manual
H
2
S in Natural Gas A–7
Service Contact
If the troubleshooting solutions do not resolve the problem, contact your sales
representative. If returning the unit is required, obtain a Return Materials
Authorization Number from your sales representative before returning the
analyzer to the factory. Your sales representative can determine whether the
analyzer can be serviced on-site or should be returned to the factory.
Reading is erratic or seems incorrect Check for contamination in the sample
system, especially if the readings are
much higher than expected.
Capture diagnostic data and send the
file to SpectraSensors. See “To read
diagnostic data with HyperTermi-
nal:” on page 3-16.
Reading goes to “0” If Alarm Action is set to 0, look on
display for an error message. See “To
change parameters in Mode 2:” on
page 3-5.
Gas concentration is equal to zero.
Reading goes to full scale If Alarm Action is set to 1, look on
display for an error message. See “To
change parameters in Mode 2:” on
page 3-5.
Gas concentration is greater than or
equal to full scale value.
Serial output is displaying garbled data Make sure the computer COM port is
set for 19200 baud, 8 data bits, 1 stop
bit, no parity, and no flow control.
Serial output is providing no data Make sure the computer COM port is
set for 19200 baud, 8 data bits, 1 stop
bit, no parity, and no flow control.
Be sure no other programs are using
the COM port selected.
Make sure the connections are good.
Verify the correct pin connections with
an ohmmeter.
Make sure to select the correct COM
port into which the cable is plugged.
LCD does not update. Unit is locked up. Switch off power, wait 30 seconds, and
then switch power back on.
Table A–1 Potential instrument problems and their solutions.
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