9
GB
6.9 - ALARMS
If an alarm message appears, contact the After-Sales Service.
The unit
displays:
Heat pump fault. manual reset (*).
In heating mode, the heat pump fault causes the installation to switch to Frost
Protection mode. It is possible to restart in heating mode by pressing and
holding OK.
The symbol is displayed.
Attention, in this case, heating is provided only by the supplementary electric
heating.
Communication fault with heat pump.
Same action as for Gr alarm. Manual reset (*).
Heater fault.
Installation water return probe fault.
Output water probe fault installation.
Water probe fault, zone 1 (in the case of 2 zones only).
Water probe fault, zone 2 (in the case of 2 zones only).
High water temperature fault. Manual reset (*).
Ext. air probe fault.
Ambiance probe fault Z1.
Ambiance probe fault, Z2 (in the case of 2 zones floor only).
Communication or system fault.
Communication fault with zone 1 board (in the case of 2 zones only).
Communication fault with zone 2 board (in the case of 2 zones only).
Heat pump water flow fault. Manual reset (*).
DHW valve position fault (if the function is activated)
Note: Flashing display without alarm message indicates that the water temperature is
momentary not convenient for the heat pump. Call the After-Sales Service only if this fact
persists.
(*) Manual reset by stopping ("OFF") the device with the selector knob of mode (or by
disconnecting the power of the apparatus). Call the after-sales service.
