Troubleshooting
If the operational interference is not shown in the display the following
tips can be used:
Basic actions
Start by checking the following items:
■
That the heat pump is running or that the supply cable to SAM 40 is
connected.
■
Group and main fuses of the accommodation.
■
The property's earth circuit breaker.
Low hot water temperature or a lack of hot water
■
The heat pump has temporarily prioritised supply air ventilation to pre-
vent too low temperatures in the supply air coil.
Low or a lack of ventilation
■
Filter blocked.
■
The ventilation is not adjusted.
–
Order ventilation adjustment.
■
Check external frost protection (outdoor air damper).
High or distracting ventilation
■
Filter blocked.
■
The ventilation is not adjusted.
–
Order ventilation adjustment.
Low supply air temperature
■
Air in the heating medium system.
–
Venting SAM 40. See section Venting.
■
Incorrect value set in supply air automatic control system.
–
Contact your installer!
High supply air temperature
■
Incorrect value set in supply air automatic control system.
–
Contact your installer!
15NIBE SAM 40Chapter 3 | Disturbances in comfort