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Table 8 Alarms and Safety functions for H
Alarm or safety
function
The H
O
2
connected.
System check error
There is no H
at start of H
O
H
O
level sensor has failed (or is
2
2
2
2
decontamination
disconnected).
The door is not closed.
Power was interrupted.
Failure during
warming-up
The outer door is open.
The volume of H
abnormal.
Power was interrupted during H
Failure during H
O
decontamination.
2
2
decontamination
The outer door is open.
The UV lamp failed during H
resolve by UV.
Power was interrupted during H
Failure during H
O
gas resolve by UV.
2
2
gas resolve by UV.
The outer door is open.
Table 9 Alarm and Safety functions for STD Gas Calibration
Alarm or safety
function
System check error
The gas pressure of CO
at start/operating of
for the standard gas calibration is
automatic CO
2
less than the specified pressure.
density calibration
Note: MCO-170AICUVHL or when an optional electric lock MCO-170EL is installed to the MCO-170UVL/
170AICL, an unlock key is provided in order to unlock the outer door during a power interruption or in case
the electric lock fails. Always store this key in a safe place. It is recommended that you make a note of the
key symbol and number in case the key is lost.
WARNING
Do not use the unlock key to unlock the outer door during H
gas resolve by UV. Doing so may cause harm to health from H
2
Conditions
"Err31:H2O2 Unit Not Connect"
generator is not
2
is displayed in the message
display field.
O
solution or the
"Err32: Low H2O2 Level" is
2
2
displayed in the message display
field.
"Err33: Outer Door Open" is
displayed in the message display
field.
After power is restored, return to
the "Top Display".
"Err38:Door Lock Failure" is
displayed in the message display
field.
"Err34:H2O2 Volume" is
O
generated is
2
2
displayed in the message display
field.
After power is restored, "Err35:
O
2
2
Power Failure" is displayed in the
message display field.
"Err38:Door Lock Failure" is
displayed in the message display
field.
"Err36: UV Lamp Failure" is
O
gas
2
2
displayed in the message display
field.
After power is restored, "Err37:
O
2
2
Power Failure" is displayed in the
message display field.
"Err38:Door Lock Failure" is
displayed in the message display
field.
Conditions
"Std Gas Calib Error" and
gas line
2
"Err41: CO2 Std Gas Empty "
are displayed in the center of the
LCD touch panel.
O
decontamination
2
Display
Continuous
tone
(when the
outer door
Intermittent
tone with
15min delay
Intermittent
tone
Continuous
tone
(when the
outer door
is open.)
Intermittent
tone
Continuous
tone
(when the
outer door
is open.)
Display
Intermittent
tone
O
decontamination or during H
2
2
O
gas leakage.
2
2
Remote
Buzzer
Safety operation
alarm
H
O
decontamination
-----
-----
2
2
is cancelled.
H
O
decontamination
-----
-----
2
2
is cancelled.
H
O
decontamination
-----
-----
2
2
is cancelled.
-----
-----
ON
(when the
H
O
decontamination
2
2
outer door
is cancelled.
is open.)
is open.)
ON with 15
Moves to UV resolve.
min delay
・During power failure,
outer door is locked by
electric lock.
ON
・After power is
restored, moves to UV
resolve.
・H
O
ON
2
2
(when the
is cancelled.
outer door
・Resolve time is
is open.)
extended.
Resolve time is
ON
extended.
・During power failure,
outer door is locked by
electric lock.
-----
-----
・After power is
restored, UV resolve is
repeated.
ON
Resolve time is
(when the
outer door
extended.
is open.)
Remote
Buzzer
Safety operation
alarm
The STD Gas
ON
calibration is
cancelled.
-----
mist generation
O
2
2
79
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