Atosa MBF8113 - Controller Parameter and Keyboard Management; Modifying Parameter Values; Keyboard Security; Alarm Interpretation and Response

9. How to change a parameter value
To change the parameter's value operate as follows:
Enter the Programming mode by pressing the seT + "'-:::7 keys for 3s
("°C" or "°F' LED starts blinking).
Select the required parameter. Press the "SET" key to display its value
Use A or ~AUX to change its value.
Press "SET" to store the new value and move to the following parameter.
To exit: Press SET+ A or wait 15s without pressing a key.
NOTE: the set value is stored even when the procedure is exited by
waiting the time-out to expire.
10. To lock the keyboard.
Keep pressed for more than 3s the "'-:::7 + A keys.
The "OF" message will be displayed and the keyboard will be locked.
If a key is pressed more than 3s the "OF" message will be displayed.
11. To unlock the keyboard.
Keep pressed together for more than 3s the "":::i' +A keys till the "on"
message will be displayed .
12. Alarm signalling .
Me ss. Cause
Outputs
"P1" Room probe failure Compressor outpu t according to "Cy" e "Cn"
"P2"
Evaporator probe fai l ure Defrost end is timed
"HA" Maximum temperature alarm Outp u ts unchanged
"LA" Minimum temperature alarm Outputs unchanged
"EA"
External al arm
Outputs unchanged
"CA" Serious external alarm All ou t pu ts OFF
"dA" Door Open Compressor and fans restarts
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