W&H Lisa VA131-17 Instructions For Use Manual page 105

TROUBLESHOOTING TABLE
Notice: Before sending the sterilizer for technical service, remove the mains cable, empty both water tanks and use the original or appropriate
packaging.
Problem
The sterilizer remains switched
OFF.
Water is leaking at the front of the
sterilizer.
The cycle commences but there is
no pressure/temperature rise.
At the end of the cycle, there is
residual water in the chamber.
LISA | Instructions for use | VA131 ENG Rev. 05 | 31/07/2018 | © 2018 W&H Sterilization Srl
Possible cause
The main switch or network circuit breaker is OFF.
No voltage at the socket.
The power cord is not connected properly.
Leaks through the chamber door seal.
Internal leak.
The thermal overload switch is open.
Electric - electronic fault.
Sterilizer not properly leveled.
Overloaded chamber.
Chamber filter clogged.
Chamber filter cap not well-positioned.
Load incorrectly placed.
Activate the main switch or network circuit breaker (ON).
Check the electric circuit.
Check and connect the power cord properly.
Clean or replace the door seal.
Clean the chamber face side.
Call technical service.
Reset the thermal overload switch. See "Extraordinary maintenance" on page 91.
Call technical service.
Properly level the surface the sterilizer is placed on.
Comply with the maximum load weight limits for each type of load. Always use the
chamber rack for trays and cassettes. See ."Load maintenance and preparation" on
page 53
Remove and clean the chamber filter.
Mount the chamber filter cap properly (see "Ordinary maintenance" on page 74)
See "Load maintenance and preparation" on page 53
Solutions
Diagnostic
105