30
SELF DIAGNOSTIC FUNCTIONS
Alarms involving an error code indicated on the temperature display are generated by the self diagnostic
function.
Contact our sales representative or agent without delay, report the error code and request repairs.
Self diagnostic
Cause
Indication
Buzzer
Remote alarm
Sensor
abnormality
The thermal sensor is
disconnected.
The alarm indicator blinks.
E01 and -50 are displayed
alternately.
Intermittent
tone
Alarm status
The thermal sensor is
short-circuited.
The alarm indicator blinks.
E02 and 50 are displayed
alternately.
The compressor sensor is
disconnected.
The alarm indicator blinks.
E05 and chamber temperature
are displayed alternately.
The compressor sensor is
short-circuited.
The alarm indicator blinks.
E06 and chamber temperature
are displayed alternately.
The ambient temp. sensor is
disconnected.
The alarm indicator blinks.
E11 and chamber temperature
are displayed alternately.
The ambient temp. sensor is
short-circuited.
The alarm indicator blinks.
E12 and chamber temperature
are displayed alternately.
Compressor
temperature
abnormality
The fan motor for cooling the
compressor is faulty.
The alarm indicator blinks.
E10 and chamber temperature
are displayed alternately.
Intermittent
tone
Alarm status
Battery check
About 3 years have passed
with the power switch on
(time to replace the battery
for power failure alarm)
The battery indicator lights.
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Contact our sales representative or agent to replace the battery for power failure alarm when the
battery indicator lights.