Labconco FreeZone 76700 Series User Manual
                                                                 | |
Contents
| 
Product Service 1-800-522-765832CHAPTER 7TROUBLESHOOTINGRefer to the following if your Freeze Dryer fails to operate properly. If thesuggested corrective actions do not solve your problem, contact Labconco foradditional assistance.Labconco Freeze Dry Systems that are clean, dry and without samples attachedshould reach a vacuum of 0.133 mBar within 10 minutes and should achieve anultimate vacuum of 0.040 mBar within 18 hours when the refrigeration isoperating. If the Freeze Dryer does not obtain a satisfactory vacuum, perform thefollowing maintenance tests.I. Vacuum PumpFirst make sure that the vacuum pump operates. If it fails to operate, check theelectrical connections of the Freeze Dryer to the power source and then check theelectrical connection of the vacuum pump to the Freeze Dryer. If the vacuumpump has a power switch, make sure that it is turned on. If the vacuum is notadequate when the vacuum pump is operating, proceed with the following steps:1. Check the oil and ensure it is clear and clean. If the oil looks cloudy or hasany particulates, replace the pump oil. Sometimes it may be necessary toflush the pump with clean oil several times. To flush the pump, run thepump 5 to 10 minutes to allow the oil to warm up. Drain the oil and refillwith clean oil. Repeat as necessary.2. Check the oil level in the pump. Ensure it is filled to the correct level.3. Check vacuum hose connections from the pump to the Freeze Dryer and tryrunning the unit.If vacuum problems continue, consider obtaining a second vacuum gauge capableof reading a vacuum of 0.010 mBar. It is often useful in determining if thevacuum pump is operating properly and the vacuum sensor reading is accurate. |
Related manuals for Labconco FreeZone 74200 Series
This manual is suitable for:
manualsdatabase
Your AI-powered manual search engine