What to do if...
Rooms are too cold
Cause
The heat pump is switched OFF.
Heat pump control unit or remote control
incorrectly adjusted.
"Note", "Warning" or "Fault" is dis-
played.
Rooms are too hot
Cause
Heat pump control unit or remote control
is incorrectly adjusted.
"Note", "Warning" or "Fault" is dis-
played.
44
Remedy
■ Switch the ON/OFF switch " " ON
(see figure on page 15).
■ Switch ON the mains isolator, if instal-
led (outside the boiler room).
■ Reset the MCB in the power distribution
board (main domestic MCB).
Check and correct settings if required:
■ "Heating and DHW"
or
"Heating/cooling and DHW"
must be set up (see page 19)
■ Room temperature (see page 18)
■ Time (see page 38)
■ Time program central heating/cooling
(see page 20)
■ Time program heating water buffer cyl-
inder (see page 35)
Scan the type of fault and acknowledge it
(see page 42). If necessary, notify your
heating contractor.
Remedy
Check and correct settings if required:
■ Room temperature (see page 18)
■ Time (see page 38)
■ Time program central heating/cooling
(see page 20)
■ Time program heating water buffer cyl-
inder (see page 35)
Scan the type of fault and acknowledge it
(see page 42). If necessary, notify your
heating contractor.