Sanyo MIR-554 - Page 48

47
ALARMS AND SAFETY FUNCTIONS
16 Disconnection of
compressor
protective sensor
The input voltage
corresponds to -50
o
C
or less
Disconnection of
sensor
<Top screen>
“E09:Comp.sensor is
opened.”
Intermittent
tone
Alarm
status
Compressor OFF
The input voltage
corresponds to -50
o
C
or less
Disconnection of
sensor
<Top screen>
“E10:Def.sensor is
opened.”
Intermittent
tone
Alarm
status
Heater OFF 17 Defrost sensor
abnormality
The input voltage
corresponds to 70
o
C
or more
Short of sensor
<Top screen>
“E11:Def.sensor is
shorted.”
Intermittent
tone
Alarm
status
Heater OFF
18 Time to replace
the fan motor for
compressor
The running time is
over 42,000 hours
<Top screen>
“Warning:Replace
comp. cooling fan
motor”
―― − ――
19 Door alarm Door is open for
2 minutes.
<Top screen>
“Door:Open”
Intermittent
tone with
delay
−
Heaters, fan motor
OFF
20 Power failure
alarm
A
t power failure.
If the power supply
cord is unplugged or
the power switch is
turned off.
――― ――
Alarm
status
――
The auto-set temperature alarm function is fitted in the temperature controller. The alarm is activated
automatically when the chamber temperature deviates ±2.5
o
C（±1.0〜±5.0
o
C） from the set temperature.
This temperature alarm function is set automatically even if under the program operation. The alarm is
activated as follows under program operation.

＊The buzzer is stopped by pressing the alarm buzzer stop key (BUZZER), but the remote alarm keeps
alarm status. The buzzer resulting from upper limit alarm and lower limit alarm cannot be silenced by
the alarm buzzer stop key (BUZZER).

＊The alarm may be activated when the setting of auto-set temperature alarm is small range.
Time (Hour)
37
o
C
60
o
0
o
C
Lower limit
alarm temp.
Temperature (
o
C)
Upper limit
alarm temp.