Panasonic MDF-U4186S Series Operating Instructions Manual page 20

ALARMS & SAFETY FUNCTIONS
Table 4. Alarm and safety function
Alarm & safety
Sensor
abnormality
Condenser temp.
abnormality
Battery life
Fan motor life
Note：
The filter check lamp sometimes lights at the start-up under high ambient temperature. The lamp is off
when the chamber temperature is getting lower.
Operation after power failure
The set value (setting of chamber temperature and alarm temperature) is memorized by nonvolatile
memory. Accordingly, the freezer resumes the operation with setting before power failure.
Note：
The filter check lamp sometimes blinks at the start-up under high ambient temperature. The lamp is off
when the chamber temperature is getting lower.
The error alarm explanation of the thermal sensor (in the chamber).
Indicated value
E01
E02
Situation
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.
If the ambient temperature
sensor is disconnected.
If the ambient temperature
sensor is short-circuited.
In the event of failure of fan
motor for cooling the
compressor
About 3 years after turning
on the power switch.
About 6years after turning
on the power switch.
Contents of a trouble
When sensor lead wire (red) opened.
When sensor lead wire (red)
short-circuited.
When sensor lead wire (white) or
(black) opened.
Indication
Alarm lamp blinks.
o
E01 and 50 C is
displayed alternately.
Alarm lamp blinks.
o
E02 and -170 C are
displayed alternately.
Alarm lamp blinks.
E03 and chamber temp.
are displayed alternately.
Alarm lamp blinks.
E04 and chamber temp.
are displayed alternately.
Alarm lamp blinks.
E05 and chamber temp.
are displayed alternately.
Alarm lamp blinks.
E06 and chamber temp.
are displayed alternately.
Alarm lamp blinks.
E07 and chamber temp.
are displayed alternately.
Alarm lamp blinks.
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.
RED
19
Buzzer Safety operation
Remote alarm
Intermittent
Continuous
tone
operation
Intermittent
Remote alarm
tone
Intermittent
Remote alarm
tone
Intermittent
Remote alarm
tone
Remote alarm.
Intermittent Compressor of
tone high stage side
stops.
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BLACK WHITE