Sanyo MCO-19M(UVH) Welder User Manual


 
57
Table 2: Alarm and Safety Functions for H
2
O
2
Decontamination
Alarm and safety
function
Condition Display Buzzer Safety operation
System check error
at start of H
2
O
2
decontamination
The H
2
O
2
Generator is not
connected.
H2O2 Decon System Error is displayed
in the screen center.
Err31:H2O2 Unit No Connect is
displayed in the message display field.
-----
Decontamination mode is
cancelled.
There is no H
2
O
2
solution or
the H
2
O
2
level sensor has
failed (or is disconnected).
H2O2 Decon System Error is displayed
in the screen center.
Err32: H2O2 Level is Low is displayed in
the message display field.
-----
Decontamination mode is
cancelled.
A door is not closed.
H2O2 Decon System Error displayed in
the screen center.
Err33: Door is Open is displayed in the
message display field.
-----
Decontamination mode is
cancelled.
Failure during H
2
O
2
decontamination
The volume of H
2
O
2
generated
is abnormal.
Err34:H2O2 Volume is displayed in the
message display field.
Intermittent
tone with
15min delay
Moves to UV analysis.
Remote alarm operates with 15
min delay.
Power was interrupted during
H
2
O
2
decontamination.
After power is restored, Err35: Power
Failed is displayed in the screen
message display field.
After completion, Decon Failed is
displayed in the screen center.
Intermittent
tone
Electrically locked during power
interruption. After power is
restored, moves to UV analysis.
Remote alarm operates.
Failure during H
2
O
2
gas analysis by UV
The UV lamp failed during
H
2
O
2
gas analysis by UV.
Err36: UV Lamp Failure is displayed in
the message display field.
Intermittent
tone
UV analysis time is extended.
Remote alarm operates.
Power was interrupted during
H
2
O
2
gas analysis by UV.
After power is restored, Err37: Power
Failed is displayed in the message
display field.
-----
Electrically locked during power
interruption. After power is
restored, UV analysis is
repeated.
Table 3: Alarm and Safety Functions for automatic CO
2
and O
2
density calibration
Alarm and safety
function
Condition Display Buzzer Safety operation
System check error
at start/operating of
automatic CO
2
and
O
2
density
calibration
The gas pressure for the
standard gas calibration CO
2
gas line is less than the
specified pressure.
Std Gas Calib Error is displayed in the
screen center.
Err41: CO2 Std Gas Empty is displayed
in the message display field.
Intermittent
tone
The standard gas calibration
mode is cancelled.
Remote alarm operates.
Note
For models with electric locking, an unlock key is provided in order to unlock the 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 door during H
2
O
2
decontamination or during H
2
O
2
gas
analysis by UV. Doing so may cause harm to health from H
2
O
2
gas leakage.