14 Troubleshooting
Thermo Scientific
75
50112712_082007_GB
Message in the
cycle display
Meaning Remedy
Error 7
Maximum time
A phase of the sterilization cycle
takes too long to complete.
Allow unit to cool and
perform the Vacuum
test and Bowie & Dick
test again;
check external water
supply,
check circulation cooler,
if necessary, contact
after-sales service.
Error 8
Please update
The life cycle of the software version
(10 years) has expired. An update is
required to ensure quality.
Contact after-sales
service.
Error 9
Running dry
The heater has overheated because
the steam generator has run dry.
Or the overtemperature limiter was
set too low and was therefore
activated.
Allow unit to cool, and
sign error message.
Contact after-sales
service.
Error 10
Vacuum pump
Mains fuse for one phase has been
actuated.
If the vacuum pump is not running:
The protective motor switch of the
vacuum pump has been actuated.
Inspect mains fuses.
Contact after-sales
service.
Error 11
Overpressure
Overpressure within double wall.
Allow unit to cool; if
necessary, contact
after-sales service.
Error 12
Water low
Feed water tank empty.
valves (Y3.1) or water pump
defective.
Fill feed water tank,
restart, or contact after-
sales service;
Error 13
Vacuum sensor
Pressure sensor defective Contact
after-sales
service.
Error 14
Water sensor
Temperature sensor in double wall is
defective; water level check.
Contact after-sales
service.
Error 15
Vacuum test I
During the vacuum test, the chamber
pressure in the equilibration phase
exceeds the threshold value.
Possible moisture in
chamber; dry chamber
interior and repeat test.
Contact after-sales
service.
Error 16
Vacuum test II
During the vacuum test, the chamber
pressure in the test phase increases
by more than 13 hPa.
Possible moisture in
chamber; dry chamber
interior and repeat test.
Contact after-sales
service.
Error 17
Overheating
Maximum chamber temperature has
been exceeded.
Disconnect the sterilizer
from mains
immediately; if
necessary, contact
after-sales service.