Tefcold BA Series - Page 81

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DT-01 TECHNICAL MANUAL
Set point (SP):
Check the set point: Push and immediately release the SET key, the set point will be showed, no LED
blinking. It will return to normal temperature display after 5s without pressing a key.
Change the set point: Push the SET key for 2s to change the set point value.The value of the set
point will be displayed and the “°C” or “°F” LED starts blinking (0.5s on and 0.5s o󰀨). Push the “˅”
or “˄” within 10s to change the set value. The set point value is stored immediately. It will return to
normal temperature display after 10s without pressing a key.
Changing parameters:
Enter the programming mode by pressing the SET+ “˅” keys for 3s, the“°C” or “°F” LED starts
blinking (0.5s on and 0.5s o󰀨). Select the required parameter by pressing the “˅” or “˄”, press the
“SET” key to display its value, then use “˅” or “˄” to change its value. Press SET again, the new
parameter value and the “°C” or “°F” LED starts blinking(0.5s on and 0.5s o󰀨) and lasts 2s, the new
value is stored and move to the following parameter.
Another way to store the set value: The set value is stored immediately after setting. It will return to
normal temperature display after 10s without pressing a key and exit the programming mode at the
same time.
Lock/unlock the keyboard:
Keep pressed for more than 3s the “˅” and “˄”, the “oF” message will be displayed and start blinking
(0.5s on and 0.5s o󰀨), It will return to normal temperature display after 3s without pressing a key. And
the keyboard is locked.
Keep pressed for more than 3s the “˅” and “˄”, the “on” message will be displayed and start blinking
(0.5s on and 0.5s o󰀨), It will return to normal temperature display after 3s without pressing a key. And
the keyboard is unlocked.
Manual defrost:
Push the key for 2s to start a manual defrost, the LED will be always on until end of defrost.
Alarm codes:
‘P1’ Room probe failure, compressor output according to ‘Cy’ and ‘Cn’.
‘HA’ Maximum temperature alarm, compressor outputs unchanged.
‘LA’ Minimum temperature alarm, compressor outputs unchanged.