hajdu HB300 Manuel De Mise En Service, D'opération Et D'entretien page 74

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Query mode
 Simultaneously press the 'E-HEATER' and 'DISINFECT' buttons for 1 second
to enter the query menu. You can check the operational parameters and
settings of the appliance here by using the 'DOWN' or 'UP' arrow.
 To quit the query mode, press and hold down the 'CANCEL' button for 1
second or do not press any button for 30 seconds.
 Information displayed:
Second digit of
No.
clock display
1
2
3
4
5
6
7
8
9
10
11
Defreezing function
When the external temperature falls below T3 ≤0℃ and the compressor runs more than
40 minutes continuously. (If the compressor tries to switch on too often in a period of 10
minutes.) From the beginning of every cycle started, the system measures operating time,
and when it reaches 40 minutes, the defreezing cycle is activated 2 minutes after the start
of the compressor.
Defreezing stops when the following conditions are met.
3. 10 minutes after the start of defreezing.
4. T3≥15°C.
Operating cycle of the main cooling circuit elements during defreezing:
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Second
First digit of
digit of
minutes
minutes
Quantity
Temperature (°C)
Temperature (°C)
Temperature (°C)
Temperature (°C)
Temperature (°C)
Temperature (°C)
Amperage (A)
Previous 1st error or self
Previous 2nd error or self
Explanation
T5U
T5L
T3
T4
TP
Th
Compressor
Last error code
protection code
protection code
Software Version