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46
ALARMS, SAFETY, AND SELF-DIAGNOSIS
The Incubator supports the following alarms, safety functions, and self-diagnostic functions.
Table 1: Alarms and Safety Functions for Culture Operations
Alarm or safety
function
Conditions Display Buzzer Safety operation
Upper limit
temperature
alarm
The chamber temperature exceeds the
upper limit alarm temperature set value.
Err13: Main Heater Abnormal or Err16:
CO
2
S Box Heater Abnormal is
displayed in the message display field.
Continuous tone Heater OFF
Remote alarm
operates
Automatic set
temperature
alarm
The chamber temperature is out of the
automatic set temperature alarm setting
range (±1.0 to ±5.0
o
C).
Warning :High Temp or
Warning :Low Temp
is displayed in the message display
field.
Intermittent tone
after set alarm delay
time (0 to 15 min)
has elapsed
Remote alarm
operates after delay
of 0 to 15 min.
Automatic set
CO
2
concentration
alarm
The chamber CO
2
concentration is out
of the automatic set CO
2
concentration
alarm setting range (±0.5% to ±5.0%).
Warning :High CO
2
Density or
Warning :Low CO
2
Density is displayed
in the message display field.
Intermittent tone
after set alarm delay
time (0 to 15 min)
has elapsed
Remote alarm
operates after delay
of 0 to 15 min.
Auto-return
There are no key operations for approx.
90 s in a setting mode.
Top screen is displayed. ----- The setting mode is
canceled.
Key lock
The key lock is ON. Key Lock is displayed on the standby
operation setting screen.
----- Setting changes are
prohibited.
Door alarm
The outer door is open. Door
䋺
Open is displayed in the
message display field.
Intermittent tone
after set alarm delay
time (1 to 30 min)
has elapsed
The CO
2
valve is
closed.
The heater turns
OFF after 1 min.
CO
2
gas
cylinder empty
The CO
2
concentration does not
increase when the CO
2
valve is
opened.
Err01: CO
2
㩷
Gas Empty is displayed in
the message display field.
Intermittent tone Remote alarm
operates.
CO
2
line
changeover
The CO
2
gas supply is switched
automatically to the reserve cylinder
(only when the MCO-21GC is installed).
Err01: CO
2
㩷
Gas Empty is displayed in
the message display field.
The text flashes for the empty CO
2
gas
supply line.
䇰 The CO
2
gas supply
is switched.
Remote alarm
operates.
The chamber temperature sensor is
disconnected.
Err05
䋺
Temp Sensor Open
is displayed in the message display
field.
䇰 The heater turns
OFF.
Remote alarm
operates.
Chamber
temperature
sensor error
The chamber temperature sensor is
short-circuited.
Err06
䋺
Temp Sensor Short
is displayed in the message display
field.
䇰 The heater turns
OFF.
Remote alarm
operates.
The sensor box temperature sensor is
disconnected.
Err07: CO
2
S Box Temp Sensor Open
is displayed in the message display
field.
䇰 CO
2
valve is closed.
Remote alarm
operates.
Sensor box
temperature
sensor error
The sensor box temperature sensor is
short-circuited.
Err08
䋺
CO
2
S Box Temp Sensor Short is
displayed in the message display field.
䇰 CO
2
valve is closed.
Remote alarm
operates.
The ambient temperature sensor is
disconnected.
Err09: At Sensor Open is displayed in
the message display field.
䇰 Remote alarm
operates.
Ambient
temperature
sensor error
The ambient temperature sensor is
short-circuited.
Err10: At Sensor Short is displayed in
the message display field.
䇰 Remote alarm
operates.
CO
2
sensor
error
The Vref or Vgas output voltage for the
CO
2
sensor is abnormal.
Err11: CO
2
㩷
Sensor Vref Abnormal or
Error12: CO
2
㩷
Sensor Gas Abnormal is
displayed in the message display field.
䇰 CO
2
valve is closed.
Remote alarm
operates.
Main heater
error
Main heater burnout occurs or the main
heater SSR is short-circuited when the
upper limit temperature alarm operates.
Err13: Main Heater Abnormal is
displayed in the message display field.
䇰 Remote alarm
operates.
Bottom heater
error
Bottom heater burnout occurs or the
bottom heater SSR is short-circuited.
Err14: Humidity Heater Abnormal
is displayed in the message display
field.
䇰 Remote alarm
operates.
Door heater
error
Door heater burnout occurs or the door
heater SSR is short-circuited.
Err15: Door Heater Abnormal is
displayed in the message display field.
䇰 Remote alarm
operates.
Sensor box
heater error
Sensor box heater burnout occurs or
the sensor box heater SSR is
short-circuited.
Err16: CO
2
S Box Heater Abnormal is
displayed in the message display field.
䇰 Remote alarm
operates.
Heater SSR
burnout
Main, bottom, door, or sensor box
heater SSR burnout occurs.
Err17: SSR Open is displayed in the
message display field.
䇰 Remote alarm
operates.
Low humidifying
water
The water in the humidifying pan drops
to approx. 600 ml.
RH PAN flashes in reverse video in the
status display field.
----- -----
UV lamp failure
The UV lamp burns out (only for the
MCO-19AIC(UV) or when the optional
MCO-19UVS is installed).
Err18: UV Lamp Abnormal is displayed
in the message display field.
Intermittent tone Remote alarm
operates.
New UV lamp
recommended
The accumulated ON time reaches
approx. 1,000 hours (only for the
MCO-19AIC(UV) or when the optional
MCO-19UVS is installed).
UV flashes (when the UV lamp is not
lit) in the status display field.
----- -----