86
ALARMS, SAFETY, AND SELF-DIAGNOSIS
This product has the following warning, safety, and self diagnosis functions.
When the alarm function or the self-diagnosis function activates, an error code and error message will be
displayed on the display.
Error:
Performance for culture and decontamination has decreased sharply. Stop the product and contact our
sales representative or agent unless you know the cause of the error and you can expect the recovery.
Error codes during normal operation
OLED Display
Alarm type
Buzzer
Remote
alarm
Safety
operation
Error code
Message
Err 01: CO
2
Gas Empty
The CO
2
density does not
increase when the CO
2
valve
is opened.
CO
2
gas cylinder
empty
Intermittent
tone
ON
-----
Err 02: N
2
/O
2
Gas Empty
The O
2
density does not
change when the N
2
/O
2
valve
is opened.
N
2
/O
2
gas cylinder
empty
Err 03: CO
2
Connect Error
The CO
2
density keeps
increasing when the CO
2
valve is closed.
Connection
mistake of
CO
2
line and
N
2
/O
2
line
The CO
2
valve and
the N
2
/O
2
valve are
closed.
Err 04: N
2
/O
2
Connect Error
The O
2
density keeps
changing into the opposite
direction when the N
2
/O
2
valve is opened.
Selection
mistake of
N
2
gas and
O
2
gas.
Err 05: Temp Sensor Open
The chamber temperature
sensor is disconnected.
Chamber
temperature sensor
error
Heater
OFF
Err 06: Temp Sensor Short
The chamber temperature
sensor is short-circuited.
Err 07: CO
2
Box Sensor Open
The sensor box temperature
sensor is disconnected.
Sensor box
temperature sensor
error
The CO
2
valve and
the N
2
/O
2
valve are
closed.
Err 08: CO
2
Box Sensor Short
The sensor box temperature
sensor is short-circuited.
Err 09: AT Sensor Open
The ambient temperature
sensor is disconnected.
Ambient
temperature sensor
error
-----
Err 10: AT Sensor Short
The ambient temperature
sensor is short-circuited.
Err 11: CO
2
Sensor Vref Error
The Vref output voltage for
the CO
2
sensor is abnormal.
CO
2
sensor error
CO
2
valve
is closed.
Err 12: CO
2
Sensor Vgas Error
The Vgas output voltage for
the CO
2
sensor is abnormal.
Summary of Contents for MCO-50ML
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