59
13.
TROUBLESHOOTING
Please find below a table of potential problems and easy solutions. For further troubleshooting information
please also refer to § 8 (Display messages) and § 9 (Alarms).
PROBLEMS
POTENTIAL CAUSES
SOLUTIONS
The sterilizer remains
switched OFF.
The main switch or network cir-
cuit breaker is OFF.
Activate the main switch or network circuit
breaker (ON).
No voltage at the socket.
Check the electrical power supply.
The mains cable is not properly
connected.
Plug in the mains cable.
Water is leaking at the
front of the sterilizer.
Leaks through the chamber
door seal.
Clean or replace the door seal (§ 11.2) and
clean the chamber face side.
Clean water tank got overfilled
or sterilizer got tilted.
Stop filling the clean water tank as soon as
you hear the audible beep tone. If you tilt the
sterilizer some water may leak at the front.
At the end of the cycle,
water remains inside
the chamber and the
load is not perfectly dry.
Countertop not properly le-
veled.
The sterilizer must be installed on a level sur-
face.
Overloaded chamber.
Comply with the maximum load weight limits
for each type of load (§ 7.1). Always use the
chamber rack for trays and cassettes.
Chamber filter clogged.
Remove and clean the chamber filter (see §
11.4).
Load incorrectly placed.
Follow the recommendations as listed in Ap-
pendix 2.
Oxidation 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 sub-
stances.
Drain both water tanks (§ 11.8). Use water of
good quality (see Appendix 7).
Organic or chemical residues
on the instruments.
Clean, rinse and dry instruments before plac-
ing them in the sterilizer (see Appendix 2).
Contact between instruments of
different materials.
Ensure that instruments of different materials
do not touch (aluminum, carbon or stainless
steel, etc.); place them on different trays or
cassettes or bag/wrap them.
Scale deposits on the chamber.
Clean the chamber and use water of good
quality (see Appendix 7).
Instruments are turning
brown or black.
Incorrect temperature selected.
Select a sterilization cycle featuring a lower
sterilization temperature. Follow the instruc-
tions of the instrument manufacturer.
Before sending the sterilizer to technical service, remove the mains cable, empty
both water tanks and use the original or appropriate packing.
Summary of Contents for Lisa
Page 1: ...Instruction for use UM009ENG LISA FULLY AUTOMATIC 201 10 Rev 4...
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