Display Symbol
Meaning
Refrigeration symbol flashing: refrigeration on delay;
Refrigeration symbol normally on: the compressor is started and
refrigeration begins;
Power symbol normally on: the external power supply of the con-
troller is connected;
Lock symbol normally on: the controller is locked;
Alarm symbol flashing: the controller is in alarm state;
Defrost symbol flashing: defrosting dripping time;
Defrost symbol normally on: the controller is in defrosting state;
Controller Parameters and Operation
Under normal conditions, the controller displays and controls the biomedical freezer
temperature measured. When the biomedical freezer temperature sensor fails, it
displays "E01". When the biomedical freezer temperature is higher than 85°C, it
displays "EHi". When the biomedical freezer temperature is lower than -50°C, it
displays "ELo".
Control T
emperature Setting
In the unlocking state, press the SET key for more than 3s, and the display screen
will display the current control temperature set value St; press the key or key to
increase or decrease the value, and press the SET key for more than 3s to confirm
the parameter value. If there is any parameter change, it will flash for 2s, and then
store the modified parameter value and exit; otherwise, it will exit directly.
Setting of General Menu Parameters
a. In the normal operation state, after unlocking, press SET key + key for more than
3s at the same time, and the LCD display screen will display the parameter code
"AH";
b. Scroll parameters (AH, AL, abc) with key and key;
c. Press the SET key to confirm the parameter, and the value of this parameter is
displayed;
d. Increase or decrease the value of the parameter with key or key;
e. Press SET key to temporarily store the modified parameter value and return to the
display parameter;
f. If the values of other parameters are modified, repeat steps b~e;
g. Press the SET key for more than 3s to store the modified parameter value and exit
the parameter setting program.
15
14
Management of Menu Parameter Setting
a. In the normal operation state, after unlocking, press SET key + key for more than
3s at the same time, and the LCD display screen will display the parameter code
"PAS";
b. Press SET key to enter password setting;
c. Scroll the number to "-15" with key and key;
d. Press the SET key to confirm the password. If the password is incorrect, the
parameter setting program will exit;
e. Scroll the parameter names with key and key;
f. Press SET key to display corresponding parameter values;
g. Increase or decrease the value of the number with key or key;
h. Press SET key to temporarily store the modified parameter value and return to the
display parameter;
i. Repeat e~h if the values of other parameters are modified;
j. Press the SET key for more than 3s to store the modified parameter value and exit
the parameter setting program.
Note: If there is no key operation within 10s, the controller will automatically exit the
parameter setting state (parameters are not saved) and return to the operation state.
If there is no key operation for 3 minutes, the controller will be locked and the buzzer
will buzz for 0.5s.
Press SET and FN for 3s at the same time to unlock or lock the locked controller, and
the buzzer will buzz for 0.5 s. When the controller is locked, it cannot be operated. It
can only be operated after unlocking;
T
ime Setting
The display shows "yer". At this time, the parameters "yer"/"mtH"/"day"/"HH"/'MM"
can be selected through the up and down keys, representing year/month/day/hour/
minute respectively. After selecting the parameter to be set, press "set" to adjust
the parameter. After adjustment, press and hold "set" for 3s to save and exit. During
parameter adjustment, if there is no key operation within 10s, the setting will be exited
directly, and all adjusted parameters will not be saved. The main control panel will
buzz for 0.5s when the USB board is inserted, and the USB flash disk is inserted and
pulled out.
If the recorder DR3180 is not connected or DR380 is abnormal, the display shows the
character 'nDR' and the time cannot be set.
Export Data
Manual: Under normal operation state, after unlocking, press and hold the up key for
3s to enter the data export interface;
If the recorder DR830 is not connected, the character "nDR" will be displayed; if the
USB flash disk is not connected, the character "nUS" will be displayed;
Press up and down key to select M1~M12. Press and hold SET key for 3s to confirm
the data export. M1~M12 represents the current time of data export, which is pushed
forward by 1~12 months. If there are many data exported and the operation interface
exits and the data is still being exported, "ULD" will be displayed at this time until the
data export is completed. If there is no key operation for 3s, the interface will exit
without saving.
