Dantherm CDP 50 Service Manual page 29

Error messages
Code LP
Code HP
Unlock Sequence
If the Code LP (Low Pressure detection) is showm, the fault must be found and recti ed.
The fault can only be dismissed by the unlock sequence which is initiated by pressing OK.
OK
If the Code HP (High Pressure detection) is shown, the fault must be found and recti ed.
The fault can only be dismissed by the unlock sequence which is initiated by pressing OK.
Code Lo and value c indicates that the unit is locked.
Press the Down button to unlock.
If no buttons are pressed within 5 seconds the display will return to previous fail state.
Code Un and value Lo shows Unlock option.
Press OK to con rm
OK
EN
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