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Part Two
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over the pressure sensor (slide pressure sensor door open) and voltage should read
approximately 5 volts (zero pressure). Remove tape and blow on sensor. Displayed value
should change. If voltage changes, the unit passes. If voltage doesn’t change, proceed to
TEST - Sensor status.
TEST - Sensor status
Enter
SENSOR STAT
menu item in diagnostics menu. If
NORMAL
is displayed, the
unit passes test. If an error message is displayed, go to diagnostics menu section of the
manual,
SENSOR
STAT
menu item for explanation of error message.
TEST - Temp input
Enter
TEMP INPUT
menu item in diagnostics menu. A temperature will be displayed.
The exact temperature displayed is not important as long as the temperature changes
when the RTD signal changes.
If unit passed all tests, the mechanical components are physically working. If problems still exist,
go to troubleshooting chart for additional information, on both hardware and software symptoms.