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Sanyo MDF-U55V Service Manual page 18

Ultra-low temperature freezer
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(6)Compressor
abnormal
temperature (E10):
(7) Error code priority
No.1: Cascade sensor error (E03, E04) ... Compressor is forcible to turn off
No.2: Filter sensor error (E05, E06) ... Impossible to protect compressor
No.3: Abnormal compressor temperature(E10) ... Compressor temporary turns off
No.4:
No.5:
6.
Warning functions
Door alarm
High temp. alarm
Low temp. alarm
Power failure alarm :
7.
Other functions
Auto Return
Ring Back
When a temperature in filter sensor is higher than 60 , E10 and chamber
temperature are displayed alternately and high side compressor is forcibly
turned off to notify compressor temperature is abnormal or fan motor is
locked.
Press BUZZER key to silence audible alarm.
When the temperature obtained from filter sensor temperature subtracts
ambient temperature, is equal or lower than 10 , compressor will turn on.
Temp. sensor error (E01, E02) ... Compressor keeps turning on
AT sensor error (E07, E08) ... Warming-up operation is forcible to be active
:
When an outer door leaves open, DP54 (red lamp) illuminates. Audible alarm
sounds intermittently after 1~15 minutes (Factory default: 2 minutes) elapse.
Audible alarm is not active simultaneously with remote alarm.
Press BUZZER key to silence audible alarm.(Ring Back is not active)
:
When chamber temperature is equal or higher than set temperature + high
temp. alarm set temperature +1, ALARM lamp and LED flash, audible alarm
sounds intermittently and remote alarm is active after 10 minutes elapse.
When chamber temperature is equal or lower than set temperature, ALARM
lamp and LED go off, audible alarm silences, and remote alarm turns off.
Press BUZZER key to silence audible alarm, but not to activate remote alarm
simultaneously.
:
When chamber temperature is equal or lower than set temperature - low
temp. alarm set temperature -1, ALARM lamp and LED flash, audible alarm
sounds intermittently and remote alarm is active after 10 minutes elapse.
When chamber temperature is equal or higher than set temperature, ALARM
lamp and LED go off, audible alarm silences, and remote alarm turns off.
Press BUZZER key to silence audible alarm, but not to activate remote alarm
simultaneously.
If a power failure is occurred or a power interrupts for 3 seconds when
battery switch is in on-position, ALARM lamp blinks, audible alarm sounds
intermittently and remote alarm is active.
Press BUZZER key to display chamber temperature for 5 seconds.
When a power returns within 3 seconds since the power was interrupted,
microprocessor resets in default settings. Remote alarm is not active.
Press BUZZER key to silence audible alarm, but remote alarm keeps active.
Remote alarm will keep active until chamber temperature is stabled after the
power returns from power failure.
When a power interrupts, press BUZZER key to see chamber temperature
for 5 seconds.
:
If there are not any key operations for 90 seconds when setting mode or Key
Lock mode or Function mode is active, unit automatically returns to chamber
temperature display.
:
Audible alarm will sound after predetermined setting time elapses if it is
silenced by someone pressing BUZZER key.
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