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SELF DIAGNOSTIC FUNCTIONS
This unit has the self diagnostic functions shown below.
Self diagnostic
Situation
Indication
Alarm buzzer
Remote alarm
Sensor
abnormality
If the thermal sensor is
disconnected.
Alarm indicator blinks.
E01 and chamber temp. are
displayed alternately.
Intermittent tone
Alarm status
If the thermal sensor is
short-circuited.
Alarm indicator blinks.
E02 and chamber temp. are
displayed alternately.
If the defrost sensor 1 is
disconnected.
Alarm indicator blinks.
E03 and chamber temp. are
displayed alternately.
If the defrost sensor 1 is
short-circuited.
Alarm indicator blinks.
E04 and chamber temp. are
displayed alternately.
If the compressor sensor is
disconnected.
Alarm indicator blinks.
E05 and chamber temp. are
displayed alternately.
If the compressor sensor is
short-circuited.
Alarm indicator blinks.
E06 and chamber temp. are
displayed alternately.
If the ambient temp. sensor is
disconnected.
Alarm indicator blinks.
E07 and chamber temp. are
displayed alternately.
If the ambient temp. sensor is
short-circuited.
Alarm indicator blinks.
E08 and chamber temp. are
displayed alternately.
If the defrost sensor 2 is
disconnected.
Alarm indicator blinks.
E11 and chamber temp. are
displayed alternately.
If the defrost sensor 2 is
short-circuited.
Alarm indicator blinks.
E12 and chamber temp. are
displayed alternately.
If the exclusive alarm sensor is
disconnected.
Alarm indicator blinks.
E13 and chamber temp. are
displayed alternately.
If the exclusive alarm sensor is
short-circuited.
Alarm indicator blinks.
E14 and chamber temp. are
displayed alternately.
Condenser temp.
abnormality
In the event of failure of fan motor
for cooling the compressor.
When the ambient temperature
exceeds the usable environmental
condition, etc.
Alarm indicator blinks.
E10 and chamber temp. are
displayed alternately.
Intermittent tone
Alarm status
Battery check
(with MPR-48B1)
When about 3 years have passed
with the power supply cord
connected to the outlet.
(time to replace the battery)
F-1 and chamber temp. are
displayed alternately.
----- -----
Fan motor check
When about 6 years have passed
with the power supply cord
connected to the outlet.
(time to replace the fan motor)
F-2 and chamber temp. are
displayed alternately.
----- -----
Setting check
(with MPR-48B1)
When the battery switch is
turned ON without setting after
attachment.
E09 and chamber temp. are
displayed alternately.
----- -----
The alarm status of remote alarm terminal is cancelled by pressing the alarm buzzer stop key
(BUZZER) since the remote alarm is operated in conjunction with alarm buzzer. (except for power failure
alarm status)
The remote alarm terminal returns to the alarm status again after certain period (ringback time) if the
same alarm status continues.
The chamber temperature is controlled at about 5
o
C by the defrost sensor if the thermal sensor is
disconnected or short circuited.
Содержание MPR-1014 Series
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