22
ALARM FUNCTIONS
This unit has the alarm functions shown below.
Contact our sales representative or agent after moving the storage items to other refrigerator if the alarm
status continues because there is a possibility of any failure.
Alarms
Situation
Indication
Alarm buzzer
Remote alarm
High
temperature
alarm
The chamber temperature
reaches the setting of high
temperature alarm.
Alarm indicator blinks.
Displayed temp. blinks.
Intermittent tone
with 15 minutes
delay
Alarm status with 15
minutes delay.
(MPR-48B1
installed)
Low temperature
alarm
The chamber temperature
reaches the setting of low
temperature alarm.
Alarm indicator blinks.
Displayed temp. blinks.
Intermittent tone
with 15 minutes
delay
Alarm status with 15
minutes delay.
(MPR-48B1
installed)
0
o
C alarm
The chamber temperature
reaches 0
o
C.
Alarm indicator blinks.
Displayed temp. blinks.
Intermittent tone
Alarm status.
(MPR-48B1
installed)
Power failure
alarm
Power failure.
The power supply cord is
disconnected.
The power switch is off.
(MPR-S163-PE/
MPR-S313-PE only)
----- -----
-----
Power failure
alarm
(MPR-48B1
installed)
Alarm indicator blinks.
Intermittent tone
Alarm status.
Door alarm
The door is open.
Door check indicator lights.
Intermittent tone
with 2 minutes
delay.
-----
■
The remote alarm terminal is in alarm status in conjunction with the alarm buzzer. However, the alarm
status of the remote alarm terminal is not cancelled by pressing the alarm buzzer stop key (BUZZER).
SAFETY FUNCTIONS
This unit has the safety functions shown below.
Safety Situation
Indication and
alarm buzzer
Safety operation
Over-heat protection
Thermal fuse temperature
exceeds 70
o
C
-----
The defrost heater is off to avoid the
temperature rise.
Over-cool protection
The temperature is lower
than about 0
o
C.
-----
Compressor is off to avoid the temperature
descent.
Auto-return
There is no key pressing for
90 seconds in the setting
mode.
-----
The setting mode is returned to the
temperature display mode.
Key lock
The key lock is ON (L1).
-----
Change of temperature setting is disable.
Содержание MPR-S163 Series
Страница 2: ......