Table of Contents
Advertisement
ALARMS & SAFETY FUNCTIONS
This unit has the alarms and safety functions shown in Table 7, and also self diagnostic functions.
Table 7 Alarms and safety functions
Alarm & Safety
If the chamber temperature is higher
High temperature
than the temperature at which the
alarm
high temperature alarm is activated.
If the chamber temperature is lower
Low temperature
than the temperature at which the
alarm
low temperature alarm is activated.
In the case of power failure.
Power failure
If the power switch is OFF.
alarm
When the power to the unit is
disconnected.
If the thermal sensor is
disconnected..
If the thermal sensor is
short-circuited
Sensor
abnormality
If the thermal sensor of the
compressor is disconnected.
If the thermal sensor of the
compressor is short-circuited
Compressor
In the event of failure of fan motor
temp. abnormality
for cooling the compressor.
Fan motor
In the event of failure of fan motor
abnormality
for cooling the compressor.
Battery switch
When battery switch is OFF at
check
the time of alarm test.
When approx. about 3 years has
Battery check
passed with the power cord
connected to the outlet.
When about 6 years has passed
Fan motor check
with power switch ON.
Note:
After power failure, the operation is resumed with the condition before power failure.
The chamber temperature is displayed for 5 seconds if the alarm buzzer stop key (BUZZER) is
depressed during the power failure alarm. After that, the alarm buzzer stops. The alarm lamp (ALARM)
keeps blinking.
In the case of thermal sensor disconnected (E01) or short-circuited (E02), the freezer continues to run.
Situation
Alarm lamp is flashed.
Temperature indicator is
flashed.
Alarm lamp is flashed.
Temperature indicator is
flashed.
Alarm lamp is flashed.
Alarm lamp is flashed.
E01 and chamber temp.
are displayed alternately.
Alarm lamp is flashed.
E02 and chamber temp.
are displayed alternately.
Alarm lamp is flashed.
E05 and chamber temp.
are displayed alternately.
Alarm lamp is flashed.
E06 and chamber temp.
are displayed alternately.
Alarm lamp is flashed.
E10 and chamber temp.
are displayed alternately.
Alarm lamp is flashed.
E15 and chamber temp.
are displayed alternately.
Alarm lamp is flashed.
E09 is flashed.
Battery check lamp lights.
Battery check lamp is
flashed.
20
Indication
Buzzer
Intermittent tone
with 15 minutes
delay.
Intermittent tone
with 15 minutes
delay.
Intermittent tone
Intermittent tone
Intermittent tone
Intermittent tone
Intermittent tone
-----
-----
Intermittent tone
Safety operation
Remote alarm with
15 minutes delay.
Remote alarm with
15 minutes delay.
Remote alarm.
Remote alarm.
Remote alarm.
Remote alarm.
Compressor stops.
Remote alarm.
-----
-----
Remote alarm.
Hide quick links:
Advertisement
Table of Contents
