26
SELF DIAGNOSTIC FUNCTIONS
This unit has the self diagnostic functions shown below.
Contact our sales representative or agent if an error code (ex. E03) is displayed resulting from the self
diagnostic.
Self diagnostic Situation Indication Alarm buzzer Remote alarm
Sensor
abnormality
If the defrost sensor is
disconnected.
Alarm indicator blinks.
E03 and chamber temp. is
displayed alternately.
Intermittent tone Alarm status
If the defrost sensor is
short-circuited.
Alarm indicator blinks.
E04 and chamber temp. is
displayed alternately.
If the compressor sensor is
disconnected.
Alarm indicator blinks.
E05 and chamber temp. is
displayed alternately.
If the compressor sensor is
short-circuited.
Alarm indicator blinks.
E06 and chamber temp. is
displayed alternately.
If the low temp. alarm sensor is
disconnected.
Alarm indicator blinks.
E13 and chamber temp. is
displayed alternately.
If the low temp. alarm sensor is
short-circuited.
Alarm indicator blinks.
E14 and chamber temp. is
displayed alternately.
If the upper sensor for temp.
display is disconnected.
Alarm indicator blinks.
E15 and chamber temp. is
displayed alternately.
If the upper sensor for temp.
display is short-circuited.
Alarm indicator blinks.
E16 and chamber temp. is
displayed alternately.
If the lower sensor for temp.
display is disconnected.
Alarm indicator blinks.
E17 and chamber temp. is
displayed alternately.
If the lower sensor for temp.
display is short-circuited.
Alarm indicator blinks.
E18 and chamber temp. is
displayed alternately.
Temperature
abnormality
If the compressor temp. is 75
o
C or
more.
Alarm indicator blinks.
E10 and chamber temp. is
displayed alternately.
Intermittent tone Alarm status
Battery check
When about 3 years have passed
with the power switch on.
(time to replace the battery)
The battery indicator lights. ----- -----
Fan motor check
When about 6 years have passed
with the power switch on.
(time to replace the fan motor)
The battery indicator
blinks.
----- -----
The alarm status of remote alarm terminal is canceled by pressing the alarm buzzer stop key
(BUZZER) since the remote alarm terminal is operated in conjunction with alarm buzzer. However, the
alarm status of remote alarm terminal is not canceled by pressing the alarm buzzer stop key (BUZZER)
when the unit is under power failure alarm.
This unit is provided with the alarm buzzer recovery function. The alarm buzzer will operate again
after 30 minutes if the alarm status continues even if the alarm buzzer was silenced by pressing the alarm
buzzer stop key (BUZZER).
The battery is a consumable item. Replace the battery every 3 years. Contact our sales
representative or agent for the battery replacement.
The fan motor is a consumable item. Replace the fan motor every 6 years. Contact our sales
representative or agent for the fan motor replacement.
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