LDARtools phx42 - A Word about the self-check

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5. Other than that, they are not useful to you. You are likely to distract yourself from more
important endeavors by trying to analyze or compare these values.
*In order to get the optimal arrangement of fuel, air, and sample, we have developed a way to fine
tune each individual analyzer to get the most consistent results. In this way, machine specific
values have been established and are available to update your unit whenever it is connected to the
42App and the Internet.
A Word about the self-check
1. Each parameter is checked either to a universal standard for all phx42s OR to the set of
specific values that have been defined for the specific unit. These values may be different from
one unit to the next.
2. We are displaying PASSED/FAILED/COMPLETE but we are storing the actual values for
troubleshooting purposes.
3. All of the following parameters (and more) are evaluated during self-check:
o Glow Disk
o Solenoid
o HPH2
o Temperatures
o LPH2 Stabilization
o Sample pressure
o Sample PPL
o Probe check
o Combustion PPL
o Combustion pressure
o Pico Amps
o Other failed parameters may show on-screen as “phx42 error”
4. Once you have performed a self-check in the 42App, then any non-acceptable result for any
analyzer are flagged and you are given an opportunity to comment and submit to the LDAR
Support Portal.
5. Passing self-checks are followed by a prompt to complete a “Gas Check”, this is a Diagnostic
tool that you will only use if instructed to by LDARtools support.