Teledyne 6750 - Total Organic Carbon analyzers - Manual (Page 56)

Maintenance Model 6750
Teledyne Analytical Instruments 44
From this screen the operator may perform individual
testing of components related to functionality and
settings.
5.2 Troubleshooting
If you are experiencing trouble with your instrument, refer to Table
5-1: Troubleshooting.
Table 5-1: Troubleshooting
PROBLEMS SOLUTION
Analyzer will not turn on • Check fuse & power connections.
• Look for loose or damaged wiring.
• Check for 12V DC from power supply.
• Check power supply fuse.
Analyzer does not Calibrate, is
sluggish • Look for & correct any liquid or gas line
leaks.
Analyzer is excessively noisy • Check for leaks at tubing connections
Display not functioning • Check cable connections
• Check power supply voltage
• Suspect:
• Malfunctioning Computer (P/N ST13039).
• Master Control Panel Assembly (P/N
ST13042-1)
Pump head not rotating • Refer to section “Pumps” 12.3.12
• Verify that carrier loss did not cause the
pumps to be turned off.
• Check for AC voltage at terminal strip on
inside of application panel.
•
Pump head rotating but not
pumping fluid • Refer to section “PUMPS”
• Change tubing
• Verify sample line is in liquid.