2 - 8
Alarm
Control
No.
Alarm Category
Sub-
code
Level Description Remedy
681 TEMP
CONTROL
28 1 WARNING The water temperature of
incubation bath is higher
than 45.0°C.
Check the thermistor
or thermostat of
heater.
28 2 WARNING The water temperature of
incubation bath is outside a
range of 37 ± 0.5°C.
(This is checked only at
operation.)
Same as above
691 INCUBA-
TOR
WATER
29 1 WARNING The water level of
incubation bath is too low.
Replenish water or
check the drain
solenoid valve.
701 REF
WATER
30 1 WARNING A period of 24 hours has
passed since exchange of
incubation bath water.
Exchange incubation
bath water.
711 DISTILLED
WATER
31 1 STOP The water level of distilled
water tank is too low.
(This alarm will not be
issued during initialization
and water exchange.)
Check the water level
sensor.
712 DIST
WATER
31 2 WARNING The water level of distilled
water tank is too low.
Same as above
721 DIST
WATER
SENSOR
32 1 WARNING The water level sensor in
distilled water tank is
abnormal.
Check float switch.
724 RESER-
VOIR
34 1 WARNING The waste solution reservoir
is full.
Check waste solution
tank detection.
771 SIPPER 37 1 STOP The negative pressure of
vacuum pump is too low.
Check vacuum level
at vacuum suction.
781 VACUUM
TANK
38 1 WARNING Water is accumulated in the
vacuum tank.
Check SV12 or SV14.
811 to
813
PHOTOME-
TER LAMP
41 1 WARNING In passed cell blank
measurement, a value of
more than 3.3 Abs is
indicated in any one of 4
measurements.
(3 times or less)
(1)Replace light
source lamp.
(2)Check 12 V
power supply.
41 2 S.STOP
(Restart
un-
allowable
)
In passed cell blank
measurement, a value of
more than 3.3 Abs is
indicated for all of ADC1,
ADC2 and λ
1
to λ
12
.
41 3 S.STOP
(Restart
un-
allowable)
The above alarm code 41-1
is issued 10 times
consecutively.
(cont’d)
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