Operation and Maintenance Manual – Steam sterilizers mod. Full Clave
Rev. 01 of 01-12-2006 - C:\Documenti\Manuali di istruzione\FULL CLAVE GB-R01.doc
Page 20 of 34
8.2 Troubleshooting: Solutions/Remedies
Message displayed
Causes
Remedies
Pressure leaks from the
door.
Check the door seal. Replace it if it is
damaged or caked, then adjust the door
pressure (see page 21).
Defective N.O. solenoid
valve.
Clean or replace the solenoid valves.
Defective 3-way N.C.
solenoid valve.
Worn vacuum pump
seals.
Replace the pump seals.
Vacuum pump blocked.
Check operation and/or replace the pump.
INSUFFICIENT VACUUM,
INSUFFICIENT
FRACTIONED VACUUM
Burnt-out fuse on power
board.
Replace fuse on power board.
Air in the chamber.
Add a vacuum peak if cycle number 9
(“special”) has been chosen.
The temperature probe
hits against an object in
the chamber.
Make sure that the temperature probe does not
strike against objects in the chamber.
Sterilizing load with too
many fabrics.
Reduce the load of fabrics.
OVERTEMPERATURE
ALARM,
HEATING ALARM,
Defective transducer.
Open the door and check whether the
atmospheric pressure appears on the display (~
1 bar). Replace the transducer if the value is
very different.
Water fill tank empty.
Fill the fill tank.
WATER LEVEL TOO
LOW
Level probe defective or dirty.
Clean the fill tank, check and clean the
tank level probes (for the technician
only).
USED WATER TANK FULL
Used water tank full.
Empty and rinse the used water tanks.
Steam outlet N.C. solenoid
valve defective.
Replace the N.C. solenoid valve.
Generator heating elements
defective.
Check the heating elements and replace
them if necessary.
The safety thermostat has
activated.
Reset the thermostat in manual mode
and identify the cause of the
overtemperature.
PRESSURIZING ALARM
Pressure switch with
incorrect setting or
defective.
Correctly set (at 3 bar) or replace the
pressure switch.
Water feed pump defective.
Check the fill pump and replace it if
necessary.
Water inlet filter clogged.
Replace the inlet filter.
INSUFFICIENT
STEAM
Water level probe defective.
Check with a tester and replace if
necessary.
