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68
ALARMS, SAFETY, AND SELF-DIAGNOSIS
Warning: Culture ability may be reduced. If it is a temporary change due to operations, will wait for
recovery. Otherwise, please contact your place of business or dealer.
OLED Display
Conditions
Buzzer
Remote
alarm
Safety
operation
Home
Alarm
Warning: Over Heat
The chamber’s
Temperature exceeds
the high limit alarm
temperature set
value.
High limit
temperature alarm*
1
Continuous
tone
ON
Heater
OFF.
Warning: High Temp
or
Warning: Low Temp
The chamber’s
Temperature is out of
the automatic
setting range
(±1.0
o
C to ±5.0
o
C).
Automatic set
temperature alarm*
2
Intermittent
tone after
set time of
alarm delay
(0 min to 15
min) has
elapsed
ON after set
time of
alarm delay
(0 min to 15
min) has
elapsed
-----
Warning: High CO
2
Density
or
Warning: Low CO
2
Density
The chamber’s
CO
2
density is out of
the automatic
setting range
(±0.5% to ±5.0%).
Automatic set CO
2
density alarm*
2
Intermittent
tone after
set time of
alarm delay
(0 min to 15
min) has
elapsed
ON after set
time of
alarm delay
(0 min to 15
min) has
elapsed
-----
Warning: UV Bulb Life
The accumulated ON
time has reached
approx. 5,000h.
New UV lamp
replacement
-----
-----
-----
*1: Shortly after the high-limit temperature alarm is activated, Err17 (Heater SSR burnout) are activated.
*2: When the fan motor speed is lowered due to malfunction or its lifespan, these alarms may be activated
because of ununiform distribution of temperature or CO
2
density in the chamber.
Status: We must inform you of the status of the equipment. Please check the situation and take
appropriate measures.
OLED Display
Conditions
Buzzer
Remote
alarm
Safety
operation
Home
Alarm
Preparing Gas Control
-----
After power switch
is turned ON, under
warming-up before
temperature is
stable and gas
control is enabled.
-----
-----
-----
“Door:Open” is displayed in
reverse video.
-----
The outer door is
open.
Intermittent
tone after
set time of
door alarm
delay (1
min to 30
min) has
elapsed
-----
The CO
2
valve is
closed.
The
heater
turns OFF
after 1
min.
"A" or "B" of the CO
2
gas
supply line indicator blinks.
-----
CO
2
cylinder is
empty
-----
-----
-----