Panasonic MDF-594C Operating Instructions Manual page 18

Ultra-low temperature freezer
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ALARMS & SAFETY FUNCTIONS
Table 4. Alarm and safety function
Alarm & safety
Filter check
Auto-return
Sensor
abnormality
If the ambient temperature
sensor is disconnected.
If the ambient temperature
sensor is short-circuited.
In the event of failure of fan
Condenser temp.
motor for cooling the
abnormality
compressor
Battery life
Filter life
Note:
The filter check lamp sometimes flashed at the start-up under high ambient temperature. The lamp is off
when the chamber temperature is getting lower.
• The battery for power failure alarm is an article for consumption. It is recommended that the battery
will be replaced about every 3 years.
replacement of the battery.
• Fan motor is expendable supplies.
representative or agent at the time of replacement of the fan motors.
The error alarm explanation of the thermal sensor (in the chamber).
Indicated value
E01
E02
Situation
When the condenser filter
is clogged.
When there is no key
pressing in each setting
mode for 90 seconds.
If the thermal sensor is
disconnected.
If the thermal sensor is
shirt-circuited.
If the cascade sensor is
disconnected.
If the cascade sensor is
shirt-circuited.
If the filter sensor is
disconnected.
If the filter sensor is
short-circuited.
About 3 years after turning
on the power switch.
About 6 years after turning
on the power switch.
Contents of a trouble
When sensor lead wire (red) is opened.
When sensor lead wire (red) is
short-circuited.
When sensor lead wire (white) or (black)
is opened.
Indication
Filter check lamp
flashed.
Chamber temp. is
displayed.
Alarm lamp flashed.
o
E01 and 50
C is
displayed alternately.
Alarm lamp flashed.
o
E02 and -170
C are
displayed alternately.
Alarm lamp flashed.
E03 and chamber temp.
are displayed alternately. Intermittent
Alarm lamp flashed.
E04 and chamber temp.
are displayed alternately.
Alarm lamp flashed.
E05 and chamber temp.
are displayed alternately. Intermittent
Alarm lamp flashed.
E06 and chamber temp.
are displayed alternately.
Alarm lamp flashed.
E07 and chamber temp.
are displayed alternately.
Alarm lamp flashed.
E08 and chamber temp.
are displayed alternately.
E10 and chamber temp.
are displayed alternately.
F1 and chamber temp.
are displayed alternately.
F2 and chamber temp.
are displayed alternately.
Contact our sales representative or agent at the time of
Replace it for about every 6 years.
17
Buzzer
Safety operation
Intermittent
Tone.
Finishing of each
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setting mode.
Remote alarm
Intermittent
Continuous
tone
operation
Remote alarm
tone
Remote alarm
tone
Intermittent
Remote alarm
tone
Remote alarm.
Intermittent
Compressor of high
tone
stage side stops.
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Contact our sales
RED
BLACK
WHITE
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