Sanyo MCO-19M, Service Manual

Page: 20 / 187

- 17 -
(2) Automatic set temperature alarm
Setting range: Set tempe/-1.0 Υ ~+/-5.0 Υ (Default setting: +/-1.0 Υ )
When a chamber temperature deviates from alarm setting range, the digits displaying current
chamber temperature will start blinking.
The following message will be displayed after an alarm delay time elapses.
“Warning:High Temp” --- For high temperature alarm
“Warning:Low Temp” --- For low temperature alarm
Buzzer will sound intermittently and remote alarm will be active.
(3) Automatic set CO2 density alarm
Setting range: Set CO2 d/-0.5%~+/-5.0% (Default setting: +/-1.0%)
When a CO2 density deviates from alarm setting range, the digits displaying current CO2 density
will start blinking.
The following message will be displayed after an alarm delay time (0~15minutes) elapses.
“Warning:High CO2 Density” --- For high CO2 density alarm
“Warning:Low CO2 Density” --- For low CO2 density alarm
Buzzer will sound intermittently and remote alarm will be active.
(4) Automatic set O2 density alarm
Setting range: Set O2 d/-0.5%~+/-5.0% (Default setting: +/-1.0%)
When a O2 density deviates from alarm setting range, the digits displaying current O2 density
will start blinking.
The following message will be displayed after an alarm delay time (0~30minutes) elapses.
“Waring:High O2 Density” --- For high O2 density alarm
“Warning:Low O2 Density” --- For low O2 density alarm
Buzzer will sound intermittently and remote alarm will be active.
(5) Auto Return
If there are no key operations for 90seconds in each setting screen, the setting mode will be
forcibly to the end and Top screen will be appeared.
(6) Key Lock
When Key Lock is active, the following message will be displayed on the stand-by setting screen.
“Key Lock” --- Key Lock is active
It is not permitted to change a stand-by setting value.
(7) Door alarm
Setting range of door alarm delay time: 1~30 minutes (Default setting: 2 minutes)
If an outer door is left opened, the following message will be displayed on the status screen.
“Door:Open” --- Outer door is left opened
Buzzer will sound intermittently after a door delay time elapses.