16
SELF DIAGNOSTIC FUNCTIONS
This unit has the self diagnostic functions shown below.
Contact our company sales representative or agent if an error code (ex. E01) is displayed resulting from
the self diagnostic.
Alarm & Safety
Situation
Indication
Alarm buzzer
Remote alarm terminal
Sensor
Abnormality
If the thermal sensor goes
open circuit.
Alarm lamp is flashed.
E01 and LO are displayed
alternately.
Intermittent tone
Alarm status
If the thermal sensor goes
short circuit.
Alarm lamp is flashed.
E01 and HI are displayed
alternately.
If the defrost sensor goes
open circuit.
Alarm lamp is flashed.
E02 and chamber temp. are
displayed alternately.
If the defrost sensor goes
short circuit.
If the compressor protection
temperature sensor is
disconnected.
Alarm lamp is flashed.
E03 and chamber temp. are
displayed alternately.
If the compressor protection
temperature sensor is short
circuited.
Compressor temp.
Abnormality
In case of failure of compressor
cooling fan motor.
In case of abnormal high ambient
temperature. (when the
temperature about 103
o
C.)
Alarm lamp is flashed.
E10 and chamber temp. are
displayed alternately.
The remote alarm is cancelled by pressing the alarm buzzer stop key (BUZZER) since the remote
alarm is operated in conjunction with the buzzer, except for the power failure alarm status.
After a power failure, the unit will resume operation with the set value that was in place before power
failure occurred.
The chamber temperature is displayed for 5 seconds by pressing alarm buzzer stop key (BUZZER)
during power failure alarm. Then the buzzer is silenced. The alarm lamp keeps flashing.
The battery for power failure alarm is an article for consumption. It is recommended that the battery
will be replaced about every 3 years. Contact our sales representative or agent at the time of
replacement of the battery.
About 2-days operation of a freezer is necessary to full charge the battery.
Fan motor is expendable supplies. Replace them for about every 6 years. Contact our sales
representative or agent at the time of replacement of the fan motor.
Attach the inspection label of the accessories in front of the product, and use the repair time of the
battery and the fan motor.
The remote alarm terminal is in alarm status in conjunction with the alarm buzzer. However, the alarm
status of the remote alarm terminal is cancelled by pressing the alarm buzzer stop key (BUZZER).