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Diagnostic Menu
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VIEW SYSTEM SENSOR STATUS - Displays the current value of:
RH measured by the RH sensor (RH SENSOR),
Flow in rate in milliliters per minute (FLOW IN),
Sensor block temperature (BLOCK RTD), RTD stands for Resistive Temperature
Detector and describes the solid-state devices used throughout the instrument to
measure temperatures.
Bottle heater temperature (BOTTLE RTD),
RH sensor temperature (RH RTD),
H
2
O flow rate, in micrograms per second, and
Instrument flow mode, usually standby when not performing a test and not in
manual flow control.
CT-3500-L
CT-3500
•
MANUAL FLOW CONTROL MENU - This menu allows manual control of the
carrier gas flow mode for test and analysis of possible system faults. There are three
selections.
•
Manual Off -
returns the system to automatic control of the flow state.
•
High Flow
- high flow through the needle and RH sensor for system drydown.
•
Low Flow
- normal flow through the needle and RH sensor
•
Bottle Purge
– high flow to assist in drying bottles
•
Transport In
– moves the bottle transport into the unit for factory service and
troubleshooting.
•
Transport Out
– moves the bottle transport out of the unit for factory service and
troubleshooting.
If any manually controlled flow state is used, ensure the manual
flow control is set to OFF before attempting normal operation.
If this is overlooked, an error message will appear on the screen.
•
VIEW SYSTEM EXCEPTIONS - A list of up to 20 faults detected by the instrument
diagnostic system. Print the list and fax it to AZI Customer Service at (480) 804-
0656 to assist in diagnosis of possible system failure.
•
PRINT EXCEPTION REPORT - Prints the stored list of instrument diagnostic
exceptions.
