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Sanyo MDF-393 - Alarm System and Indicators

Sanyo MDF-393
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(5) Battery SW is off
position (E09):
(6)Compressor
abnormal
temperature (E10):
(7) Error code priority
No.1:
No.2:
No.3:
No.4:
No.5:
6. Alarms
High temp. alarm :
Low temp. alarm :
Power failure alarm :
Filter alarm :
If you press ALARM TEST key when battery switch is off position or
battery is unconnected, E09 is displayed.
When the temperature in filter sensor is equal or higher than 60, E10
and chamber temperature are displayed alternately and high side
compressor is forcibly turned off to inform compressor temperature is
abnormal or fan motor locked.
Press BUZZER key to stop the buzzer beeping.
When the temperature in filter sensor – AT is equal or lower than 10,
compressor is turned on again.
Cascade sensor (E03, E04) … Compressor is forcibly turned off
Filter sensor (E05, E06) … Compressor protection is uncontrollable
Abnormal compressor temp.(E10) … Compressor temporary turns off
Temp. sensor (E01, E02) … Compressor keeps forcibly running
AT sensor (E07, E08) … Warming-up operation in any ambient temp.
When chamber temperature is equal or higher than set temperature +
high temp. alarm set temperature +1.0, ALARM lamp and LED display
blink, intermittent buzzer beeps with approx. 10 minutes of delay and
remote alarm activates.
When chamber temperature is equal or lower than set temperature,
ALARM lamp and LED display go off, buzzer stops beeping and remote
alarm turns off.
If you press BUZZER key, the buzzer stops beeping instead remote
alarm does not turn off.
When chamber temperature is equal or lower than set temperature - low
temp. alarm set temperature -1.0, ALARM lamp and LED display blinks,
intermittent buzzer beeps with approx. 15 minutes of delay and remote
alarm activates.
When chamber temperature is equal or higher than set temperature – low
temp. alarm set temperature, ALARM lamp and LED display go off,
buzzer stops beeping and remote alarm output turns off.
If you press BUZZER key, the buzzer stops beeping instead remote
alarm does not turn off.
With the battery switch is on position and power switch is turned off or the
power is interrupted for 3 seconds, ALARM lamp blinks and intermittent
buzzer beeps and remote alarm activates.
When the power retrieves within 3 seconds after the power failed, micro
computer is initialized and remote alarm turns off.
Press BUZZER key to stop buzzer beeping instead remote alarm does
not turn off.
Remote alarm activates until chamber temperature is stabilized.
You can check chamber temperature for 5 seconds if you press BUZZER
key during power failure.
When the temperature in filter sensor is equal or higher than +45.5,
FILTER lamp is lit and buzzer beeps intermittently.
Buzzer tone is selectable ON/OFF in F31. (000:OFF 001:ON)
Remote alarm does not turn over.
When the temperature in filter sensor is lower than +40.5, FILTER
lamp goes off and buzzer stops beeping.
16

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