–
Set the thermostats to max in as many rooms as pos-
sible. Adjust the room temperature via the "Heating”
home screen, rather than turning down the thermostats.
•
SMO S40 in incorrect operating mode.
–
Contact your installer!
•
Too low set value on the automatic heating control.
–
Go to the Smartguide for help in increasing heating. You
can also change the heating in the "Heating" home
screen.
•
Too low or no operating prioritisation of heat.
–
Contact your installer!
•
"Holiday" activated in menu 6 - "Scheduling".
–
Enter menu 6 and deactivate.
•
External switch for changing room temperature activated.
–
Check any external switches.
•
Air in the climate system.
–
Vent the climate system.
•
Closed valves to the climate system or heat pump.
–
Open the valves (contact your installer for assistance
in finding them).
High room temperature
•
Too high set value on the automatic heating control.
–
Go to the Smartguide for help in lowering the heating.
You can also change the heating from the "Heating"
home screen.
•
External switch for changing room temperature activated.
–
Check any external switches.
Low system pressure
•
Not enough water in the climate system.
–
Fill the climate system with water and check for leaks.
In event of repeated filling, contact the installer.
The air/water heat pump’s compressor does
not start
•
There is no heating or hot water demand, nor cooling
demand.
–
SMO S40 does not call on heating, hot water or
cooling.
•
Compressor blocked due to the temperature conditions.
–
Wait until the temperature is within the product’s work-
ing range.
•
Minimum time between compressor starts has not been
reached.
–
Wait for at least 30 minutes and then check if the com-
pressor has started.
•
Alarm tripped.
–
Follow the display instructions.
Add. heat only
If you are unsuccessful in rectifying the fault, and are unable
to heat the house, you can, whilst waiting for assistance,
continue running the installation in emergency mode or
“Add. heat only” mode. “Add. heat only” mode means that
additional heat only is used to heat the house.
SET THE INSTALLATION TO ADDITIONAL HEAT
MODE
1.
Go to menu 4.1 - "Operating mode".
2. Select “Add. heat only”.
EMERGENCY MODE
You can activate the emergency mode both when SMO S40
is running and when it is switched off.
To switch off, restart or activate emergency mode: press
and hold the on/off button for 2 seconds. This brings up a
menu with various options.
To activate emergency mode when SMO S40 is switched
off: press and hold the on/off button for 5 seconds. (Deac-
tivate the emergency mode by pressing once.)
NIBE SMO S40
Chapter 6 | Disturbances in comfort
14
