Diagnostics
Lyla | Instructions for Use | RIN-210 ENG Rev02 | 15/09/2022 | © W&H Sterilization Srl
91
Problem
Possible cause
Solutions
Corrosion or spots on
instruments.
Tap water on instruments when placed in the
sterilizer.
Ensure that instruments are dry before they are placed in the sterilizer.
Use of water of poor quality or water containing
chemical substances.
Drain both water tanks. Use water of good quality. See "Water quality" on page 109.
Organic or chemical residues on the instruments.
Clean, rinse and dry instruments before placing them in the sterilizer. See "Load
maintenance and preparation" on page 47
Chamber, trays, chamber rack dirty.
Clean the chamber and wash the chamber furniture.
Contact between instruments of different materials.
Ensure that instruments of different materials do not touch (aluminium, carbon or
stainless steel, etc.); place them on different trays or cassettes or pouch them. See
"Load maintenance and preparation" on page 47
Scale deposits on the chamber.
Clean the chamber and use water of good quality. See "Water quality" on page 109
Instruments are turning brown or
black.
Incorrect temperature selected.
Select a sterilization cycle featuring a lower sterilization temperature. Follow the
instructions of the instrument manufacturer.
The cycle report printer does not
work.
Printer not properly connected or not powered.
Check the data and the power connection to the printer.
No cycles are stored in the cycle
history menu.
An electronic board was replaced by service.
None. The memory of the old board cannot be restored. Save periodically the history on
the USB pen drive.
When starting a cycle, the
chamber door locks but re-opens
immediately. The “Open the door”
message appears.
Door gasket not properly placed; seal sticking out.
Ensure that the door gasket is evenly inserted on the entire circumference.
Door jammed by external objects or by the load
itself.
Remove any objects interfering with the chamber door. Check the door does not force
against the load or the chamber furniture.
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