Tuttnauer 2301006, Operation & Maintenance Manual

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Page 83 of 117 pages
Symptoms
Possible causes
check-ups and tests
Corrections
6. Temperature rises
above the preset
sterilization value. 6.1 Steam pressure too high. 6.1 Check and set
correctly the pressure
switch of the generator
and the pressure
reducer.
6.2 Steam valve leaks. 6.2 Fix or replace the
steam valve.
6.3 Control system trouble. 6.3 Replace control
boards.
7. Fast or slow exhaust
phases do not function;
chamber pressure
remains high or exhaust
takes too long. 7.1 The fast or slow exhaust
valves stuck or damaged. 7.1 Repair or replace
damaged valve.
7.2 Steam valve leaks. 7.2 Repair or replace
steam valve.
7.3 Control system trouble. 7.3 Replace control
boards.
8. Drying stage does not
work. 8.1 Trouble with the vacuum
system. 8.1 See par. 2 and 4.
8.2 Steam valve leaks. 8.2 Repair or replace
steam valve.
8.3 Control system trouble. 8.3 Replace control
boards.
9. The air inlet does not
work. 9.1 Air inlet valve clogged or
damaged. 9.1 Repair or replace air
valve.
9.2 Air filter clogged. 9.2 Replace air filter.
10. Unsatisfactory results
of sterilization process. 10.1 Incomplete removal of air
pockets.
10.1 See trouble related to
vacuum system par. 2
and 4.
10.2 Sterilization conditions
improper temperature or
pressure too low, ste. time
too short.
10.2 Set correctly the temp.
and time according to
the sort and quantity of
material.
10.3 Incorrect loading of
autoclave, air trapped in
the load.
10.3 See par. on
‘Preparation before
Sterilization’.