Dokument 1

H 24 REFERENCE GUIDE/ALLGEMEINE INFORMATION
HU-FRIEDY TROUBLE SHOOTING GUIDE
Instruments
Problem Cause Prevention
Spotting • Insufficient rinsing • Rinse thoroughly under steady stream
after ultrasonic of water for 30 seconds
cleaning
• Insufficient drying • Rinse with hot water
after ultrasonic • Optional: Dip cassettes in alcohol
cleaning after rinsing
• Not changing • Solution should be changed at least
ultrasonic solution once a day
• Sterilizer has not • Sterilizers should be cleaned weekly
been cleaned • Use only distilled water for reservoir
Rust • Corrosion from • Separate stainless and carbon
carbon instruments instruments
spreads to stainless • For carbon steel instruments: Dip in
steel instruments pre-sterilized rust-inhibiting solution as
suggested by sterilizer manufacturer
Pitting • Chemical attack • Rinse and dry instruments thoroughly
on instruments • Use approved cleaning, sterilization
solutions only. Never use household bleach
or stain and tartar remover
IMS Cassettes
Problem Cause Prevention
Staining (Resin cassettes only)
Black • Amalgam left in • Thoroughly empty amalgam carrier before returning
carrier to cassette
• If carrier is plugged, sterilize separately and unplug while
carrier is warm
Green • Chrome breakdown • Inspect instruments and replace those with cracked
of instruments handles or peeling plating
Yellow/Brown • Sterilizer has not • Change reservoir water once a week
been cleaned •Regularly clean chamber and filters
• Normal use • Every 6 months soak cassettes (without instruments and
discoloration not in the ultrasonic) in 100% bleach for
5-30 minutes
Broken (Resin and Stainless Steel cassettes)
Hinges • Overloading/ • Instruments should not protrude from cassette
improperly placed • Only light force is needed to close cassette
instruments
• Improperly placed • Do not reposition cassette rails
rails
Wet Packs • Insufficient drying • Thoroughly dry cassettes after cleaning, before wrapping
either before or • Crack open autoclave sterilizer door during dry cycle
during sterilization • Optional: After sterilization cycle, leave cassettes in warm
sterilizer for 10 minutes
• Improper loading • Do not overpack sterilizer
of cassettes in • Keep cassettes slightly separated within the chamber
sterilizer • Always use sterilizer’s cassette rack
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1
0
CENTIMETERS
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INCHES