(4)Descriptions of safety device actuation
eCaution
sions
Caution
Sian
Disolav
Condition
Cause/Checkina/Remedv
Lid
Cover
is not closed comDletelv. Press down the handle by force.
When the
START button is pressed, the Press the START button after the temperature in
Hot
temperature
in
the
chamber
is
higher
than
the
the
chamber
has
lowered.
nreset temnerature.
Due to bending
or
clogging
of
the exhaust hose,
Pull put the exhaust tank and correct
HOSE abnormal pressure was detected more than 7
the bending
of
hose. Check the exhaust circun
times
durin"
heatin"
for anv cloaaino.
(j)Operation
is started without opening the
cover
(j)()nce open the
cover
and start the operation.
door
immediately after power-ON.
®Replace
the lock shaft detection switch.
®Trouble with the lock shaft detection switch
eError
sians
Enror
Sian
Disolav
Condition
Cause/CheckinaiRemedv
El
Lateral thermistor (TH1)
Lower than 21"C
Smin.
after the
bottom
' Check the thermistor (TH1).
Open
thermistor becomes 90·C. ' Check the thermistor (TH1) connector.
E2 Bottom thermistor (TH3)
Lower than
21'C
for
2min. after starting , Check the thermistor (TH3).
Open
and
2
min
elapsing.
' Check the thermistor (TH3) connector.
E3
Lateral thermistor (TH1)
Higher than
139'C
' Check the thermistor (TH1).
Abnormal temp.
' Check the Triack.
E4
Object
temp.
sensor
Higher than 140'C
' Check the thermistor (TH2).
(TH2)
Abnormal temp.
' Check whether or not the tip
of
the
object temp. sensor
lips
down into
the
heater
unit.
E5 Bottom thermistor (TH3)
• Higher than 110'C in heating
I,
• Check the thermistor (TH3).
Abnonnal
tamp
keep-warm process.
•
Check
whether
or
not
the
exhaust
port
• Higher than 120'C in heating 2,
is blocked with sterilization object.
exhaust
process.
•
Isn't
the
amount
of
heating
water
• Higher than 140'C
in
heating 3, heating
reduced
and
isn't
the
chamber
is
4,
sterilization
process.
heated wnhout water?
•
Or,
higher than
set
temp.+30·C •
Check
for
leakage
of
steam
or
water.
E6
Unlocking
of
the
movable
The detection switch is not turned OFF
•
Doesn't the lock pin catch?
handle
is
impossible.
even
when
the
power
supply
to
the
• Check the
cover
swoch.
solenoid
is
turned
ON
and
the
solenoid
is
unlocked.
E7 Locking
of
the movable
•
The detection switch is not turned ON • Doesn't the lock pin catch?
handle' cover
is
even when the power supply to the
• Check the
cover
swnch.
impossible.
solenoid is turned OFF and the
• Check the lock shaft switch.
solenoid
is
locked.
• Lid detection switch is turned OFF
during
operation.
•
Lock
shaft
detection
switch
is
turned
OFF durina oDeration.
E8
Abnormally high
•
Pressure
in
the
chamber
is
higher
than
• Sterilization object which makes the
pressure
about O.33MPa. exhaust difficult.
•
Pressure
in
the
chamber
is
O.04MPa
•
Exhaust
circuit
is
clogged.
higher
than
the
saturated
steam
• Exhaust port is blocked with the
pressure
in
the
temperature
of
the
sterilization
bag.
lateral
thermistor
at
heating
4
and
sterilization
processes.
•
Deep
sterilization
can
is
used.
E9
Low
pressure
•
Pressure
in
the
chamber
is
O.04MPa
• Shortage
of
heating water.
lower
than
the
saturated
steam
•
Exhaust
circuit
is
blocked.
pressure
in
the
temperature
of
the
lateral
thermistor
at
heating
3
,heating
4
and
sterilization
processes.
El0
EEPROM communication
Nothing
can
be
read
out
or
written
from
• Check and replace PCB.
error
or
on EEPROM.
-
19-
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