Delta Q Basic Troubleshooting Guide

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Delta Q Basic Troubleshooting Guide
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Symptom Cause Solution
Mineral buildup on chamber wall or water spots on chamber and contents Minerals in water or on contents (using tap water Clean with Omni-Cleaner Plus® following instructions on bottle. Scrub chamber with Bon-Ami® or Scotch-Brite®. Use distilled water only.
Unit takes an excessive amount of time (over 20 minutes from a warm start)to reach required sterilization temperature.
  1. Load too large. Steam pushing out air too slowly



    2.  
  2. Leak in valves.
  1. Remove some packages/articles for faster steam flow



    2.  
  2. Call authorized service representative
Moisture evident in packs or wraps after drying cycle
  1. Overloaded chamber.



    2.  
  2. Chamber tilted forward resulting in water left in chamber after venting
  3. Fill line filter (inside chamber) clogged or not properly installed, resulting in too much water remaining in chamber after venting.
  4. Drying time not adequate for load.



    5.  
  5. Drying air intake filter clogged.



    6.  
  6. Drying pump not operating properly



    7.  
  7. Unit run without preheating
  1. Follow “Preparation and Loading” instructions



    2.  
  2. Level unit properly. Click Here for the proper leveling procedure of your Delta Q



    3.  
  3. Clean filter in ultrasonic cleaner. Adjust fill line filter to center bottom of chamber. Replace if air and water cannot freely pass through filter.



    4.  
  4. Increase drying time. (see Programming)



    5.  
  5. Call authorized service representative



    6.  
  6. Call authorized service representative



    7.  
  7. Wait 30 minutes to start sterilizing cycle after power is turned on.
Wet layer in pack Inadequate drying air penetration due to tight pack wrapping or condensation from packs Inspect pack for proper wrap. Basins, kits and other utensils should be prepared as individual packs.
Water collects in bottom of chamber when unit is not in “Fill” cycle.
  1. Leaking fill/solenoid valve



    2.  
  2. Hole in condensing coil
  1. Rebuild Fill Valve
  2. Replace Condensing Coil
Unit drips on counter from door during cycle
  1. Debris on gasket or door ring



    2.  
  2. Cut in gasket or excessive wear
  1. Clean door gasket and door ring



    2.  
  2. Replace door gasket if cut or worn.
Water comes out of fill opening on top of case when unit vents to reservoir.
  1. Reservoir overfilled



    2.  
  2. Cracked condenser tube causing turbulence under fill opening.
  1. Drain some water. Fill to bottom of openings in fill cup.



    2.  
  2. Replace condenser tube.
Unit will not turn on
  1. No power to wall receptacle



    2.  
  2. Master power switch is not turned on



    3.  
  3. Defective electronics
  1. Reset building circuit breaker



    2.  
  2. Be sure main power switch/circuit breaker on back of unit is on



    3.  
  3. Contact us
Dark stains on instruments
  1. Electroplating



    2.  
  2. Cold sterilization residue



    3.  
  3. Chlorine stains
  1. Do not mix dissimilar metals in the same package. Separate carbon steel, aluminum chrome and brass from stainless steel trays by using a tray liner



    2.  
  2. Wash thoroughly before loading



    3.  
  3. Do not use toweling or packaging which may contain chlorine bleach residue
Chamber surfaces become cracked Chlorine NEVER use chlorine cleansers or materials in chamber. Wrapping materials should not be cleaned with chlorinated bleaches. Use only distilled water.
Unit clicks, but no display; unit shuts off intermittently in mid-cycle Malfunctioning connector cable Contact us
Door leaks on Delta Q10 autoclave Lip of tray rest is in front of the water dam Place lip behind water dam.
Instruments become rusted or stained Minerals and metals in reservoir or chamber Use only distilled or deionized water for autoclaving. Clean and flush reservoir/chamber.
Positive biological indicator (Fails Spore Test)
  1. Insuffcient steam penetration



    2.  
  2. Wrong type of biological indicator for this sterilizer, wrong cycle used or biological indicator has expired



    3.  
  1. Reduce load weight or check if load is packed properly.



    2.  
  2. Check bioligical indicator instructions to make sure indicator is for a gravity type sterilizer. Check that indicator is correct; one for cycle times and temperatures being run. If necessary, contact your biological indicator representative.

 


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