Subsystem Checkout, AC Mains Configuration

Troubleshooting

Model GFC7000TA Carbon Dioxide Analyzer

10.5. Subsystem Checkout

The preceding s of this manual discussed a variety of methods for identifying possible sources of failures or performance problems within the analyzer. In most cases this included a list of possible causes. This describes how to determine individually determine if a certain component or subsystem is actually the cause of the problem being investigated.

10.5.1. AC Mains Configuration

The analyzer is correctly configured for the AC mains voltage in use if:

1.The Sample Pump is running.

2.The GFC wheel motor is spinning. LED’s D1 & D2 (located on the synch/demod PCA) should be flashing.

3.If incorrect power is suspected, check that the correct voltage and frequency is present at the line input on the rear panel.

∙If the unit is set for 230 VAC and is plugged into 115VAC, or 100VAC the sample pump will not start, and the heaters will not come up to temperature.

∙If the unit is set for 115 or 100 VAC and is plugged into a 230 VAC circuit, the circuit breaker built into the ON/OFF Switch on the Front Panel will trip to the OFF position immediately after power is switched on.

10.5.2. DC Power Supply

If you have determined that the analyzer’s AC mains power is working, but the unit is still not operating properly, there may be a problem with one of the instrument’s switching power supplies. The supplies can have two faults, namely no DC output, and noisy output.

To assist tracing DC Power Supply problems, the wiring used to connect the various printed circuit assemblies and DC Powered components and the associated test points on the relay board follow a standard color-coding scheme as defined in the following table.

Table 10-6: DC Power Test Point and Wiring Color Codes

NAME	TEST POINT#	TP AND WIRE COLOR
Dgnd	1	Black
+5V	2	Red
Agnd	3	Green
+15V	4	Blue
-15V	5	Yellow
+12R	6	Purple
+12V	7	Orange

Teledyne Analytical Instruments

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gfc 7000ta specifications

The Teledyne GFC 7000TA is a cutting-edge, high-performance gas flow calibrator designed for both laboratory and field applications. This instrument is renowned for its accuracy, versatility, and reliability, making it an ideal choice for various industries, including aerospace, environmental monitoring, and manufacturing.

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In summary, the Teledyne GFC 7000TA is a high-performance gas flow calibrator characterized by its advanced thermal mass flow measurement technology, versatility in accommodating various gases, user-friendly interface, and robust design. With its modern connectivity features, this instrument stands out as a vital tool for professionals seeking precision and reliability in gas flow applications.

Teledyne gfc 7000ta operation manual Subsystem Checkout, AC Mains Configuration, DC Power Supply

Models: gfc 7000ta