SELF-DIAGNOSTIC FUNCTIONS
Alarms involving an error code indicated on the temperature display are generated by the unit's
self-diagnostic function.
If any of the error codes are displayed, contact our sales representative or agent without delay, report the
error code, and request repairs.
Self-diagnostic
The thermal sensor is
disconnected.
The thermal sensor is
short-circuited.
The cascade sensor is
disconnected.
The cascade sensor is
short-circuited.
Sensor
abnormality
The filter sensor is
disconnected.
The filter sensor is
short-circuited.
The ambient temperature
sensor is disconnected.
The ambient temperature
sensor is short-circuited.
The fan motor for cooling
the compressor is faulty.
Condenser
The ambient temperature
temperature
exceeds the usable
abnormality
environmental condition,
etc.
When about 3 years have
passed with the power
Battery check
switch on (time to replace
the battery)
When about 6 years have
Fan motor
passed with the power
check
switch on (time to replace
the fan motor)
Contact our sales representative or agent to replace the battery for the power-failure alarm when the
battery indicator lights up.
Contact our sales representative or agent to replace the fan motor when the battery indicator blinks.
Cause
The alarm indicator blinks.
E01 and 50 are displayed
alternately.
The alarm indicator blinks.
E02 and -180 are displayed
alternately.
The alarm indicator blinks..
E03 and chamber temperature
are displayed alternately.
The alarm indicator blinks.
E04 and chamber temperature
are displayed alternately.
The alarm indicator blinks.
E05 and chamber temperature
are displayed alternately.
The alarm indicator blinks.
E06 and chamber temperature
are displayed alternately.
The alarm indicator blinks.
E07 and chamber temperature
are displayed alternately.
The alarm indicator blinks.
E08 and chamber temperature
are displayed alternately.
E10 and chamber temperature
are displayed alternately.
The battery indicator lights up.
The battery indicator blinks.
Indication
Intermittent
tone.
Intermittent
tone.
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Buzzer
Remote alarm
Alarm mode
Alarm mode
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