89
ALARMS, SAFETY, AND SELF-DIAGNOSIS
Warning:
Performance for culture may decrease. If it is a temporary situation due to operations, wait for
recovery. Otherwise, contact our sales representative or agent.
OLED Display
Alarm type
Buzzer
Remote
alarm
Safety
operation
Warning
Message
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).
Temperature alarm
*2
Intermittent
tone after
set time of
alarm delay
has elapsed
ON after set
time of
alarm delay
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%).
CO
2
density alarm
*2
Warning: High O
2
Density
or
Warning: Low O
2
Density
The chamber’s O
2
density is out of the
automatic setting range
(±0.5% to ±5.0%).
O
2
density alarm
*2
Warning: UV Bulb Life
The accumulated ON
time has reached
approx. 5,000h.
New UV lamp
replacement
----- ----- -----
Warning: USB Over Current
The USB output current
is abnormal (over 0.5A,
or Short-circuit to 0V).
USB overcurrent
alarm
----- ----- -----
*1: Err 16 (Sensor Box Heater Error) and Err17 (SSR disconnection for heater) are generated when a
certain period of time has elapsed after the high-limit temperature alarm activated.
*2: When the fan motor speed is lowered due to malfunction or the end of its life, these alarms may
activate because of uneven temperature distribution or CO
2
/O
2
density in the chamber.
Status:
The status of the equipment is notified. Check the situation and take appropriate measures.
OLED Display
Alarm type
Buzzer
Remote
alarm
Safety
operation
Status information
Message
Preparing Gas Control
-----
Waiting for the
temperature to be
stable and the gas
to be controllable
after the power
switch has been
turned ON.
----- ----- -----
“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 and
the N
2
/O
2
valve are
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
----- ----- -----
Summary of Contents for MCO-50ML
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