10
FAILURE
PROBABLE CAUSES
SOLUTION
The main PCB SSR relay does
Check the outlet with a multimeter. If there is no
not outlet.
(12 VCD) outlet, replace the main PCB.
The SSR is defective.
Replace the SSR.
6 The lid leaks steam.
The lid gasket does not fit well
Adjust the gasket length to make it fit properly.
to the canal.
The gasket is crushed or torn.
The adjustment of the lid is not
good.
Replace the gasket.
Tighten the lid adjustment screw (15) by turning
it to the clock wise direction.
7 The steam sterilizer does The main PCB discharge relay
Check the steam discharge relay outlet with a
not discharge the steam
is defective.
multimeter. If there is no outlet, replace the main
in the chamber.
PCB.
The filter on the chamber inlet is
Take the filter out and clean it.
clogged.
The steam discharge solenoid is
Take the capsule of the solenoid out and clean
defective.
the core of it, if it doesn’t solve the problem
replace the solenoid valve.
8
♣
The steam sterilizer stays
under vacuum after the
operation.
The air intake selonoid is defective
The biological filter is clogged.
Take the capsule of the solenoid out and clean
the core of it, if it doesn’t solve the problem
replace the solenoid valve.
Replace the fiter.
9 The lid is not locked when The locking mechanism is
Check the locking mechanism.
the steam sterilizer
defective.
starts operating.
The locking bobbin is defective.
Replace the locking bobbin.
The main PCB locking bobbin
Check the main PCB locking bobbin with a
relay does not outlet.
multimeter. If there is no outlet (12 VCD),
replace the main PCB.
10 The lid lock pin is not
The lid lock mechanism is
Check the whole mechanism.
released even the
defective.
pressure in the chamber
drops to zero.
The lid locking bobbin is
Replace the locking bobbin.
defective.
The main PCB locking bobbin
Check the relay outlet. If there is no outlet
relay does not outlet.
(12 VCD), replace the main PCB.
11 The samples are wet
There is an over-loading of
Check the load of the samples. Please leave
at the end of the operation samples.
space between the samples.
The drying time is not sufficient
♣
.
Increase the drying time while programming.
♣
This feature is valid only for OT 020V
Summary of Contents for OT 020
Page 19: ...18 SECTION 6 DIAGRAMS AND DRAWINGS ...
Page 20: ...19 6 1 ELECTRICAL CIRCUIT DIAGRAM OT 020 Figure 3 ...
Page 21: ...20 6 2 ELECTRICAL CIRCUIT DIAGRAM OT 020V Figure 4 ...
Page 22: ...21 6 3 WATER AND STEAM UNIT DIAGRAMS Figure 5 OT 020 flow diagram ...
Page 23: ...22 Figure 6 OT 020V flow diagram ...
Page 24: ...23 SECTION 7 SPARE PART LIST ...
Page 25: ...24 Figure 7 ...
Page 26: ...25 Figure 8 ...
Page 27: ...26 Figure 9 ...
Page 28: ...27 Figure 10 ...
Page 29: ...28 Figure 11 ...