24
ALARM FUNCTIONS
This unit has the alarm functions listed below.
Contact our sales representative or agent if you cannot stop the alarm. This may be due to a failure.
Alarms
Situation
Indication
Alarm buzzer
Remote alarm
High-temp.
alarm
If the temperature of the upper
or lower sensor for temp.
display is higher than 6
o
C.
Alarm indicator blinks.
Displayed temp. blinks.
Intermittent tone
Alarm mode
Low-temp.
alarm
If the temperature of the upper
or lower sensor for temp.
display is lower than 2
o
C.
Alarm indicator blinks.
Displayed temp. blinks.
Intermittent tone
Alarm mode
Power-failure
alarm
If there is a power failure.
If the
power supply
plug is
unplugged.
When the power switch is off.
Alarm indicator blinks.
Temperature display is
off.
Intermittent tone
Alarm mode
Door alarm
When the outer door is open.
Door check indicator
lights
up
.
Intermittent tone with
2 minutes delay.
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The alarm mode of remote alarm terminal is cancelled by pressing the alarm buzzer stop key
(BUZZER) since the remote alarm terminal is operated in conjunction with alarm buzzer. However, the
alarm mode of remote alarm terminal will not be cancelled by pressing the alarm buzzer stop key
(BUZZER) when the unit is under power-failure alarm.
This unit is provided with an alarm buzzer recovery function. The alarm buzzer will restart after 30
minutes if the alarm mode continues even if the alarm buzzer was stopped by pressing the alarm buzzer
stop key (BUZZER).
The power-failure alarm continues for approximately 24 hours (when the battery is fully charged). It is
necessary to operate the unit for 2 days to recharge a fully discharged battery to full level. A remote
alarm remains in alarm mode even if the battery is discharged.
The unit will resume its operation with the temperature setting of 4
o
C±1.5
o
C after recovery from a
power failure.
