Teledyne 6600 - Manual (Page 90)

iv: Part III
Model 6620 Oil in Water Analyzer
Teledyne Analytical Instruments
7.11 Phototube Replacement ................................................ 1-44
8.0 Troubleshooting ............................................................. 1-45
8.1 The Lamp Refuses to Light ............................................ 1-45
8.2 Water Delivery Problems ............................................... 1-45
8.2.1 The Water Refuses to Flow Through the Tubing ........ 1-45
8.2.2 Sample Pump Failure .............................................. 1-46
8.3 Zero Drift Problems ........................................................ 1-46