Troubleshooting - Nice F470 User Manual

Troubleshooting

If the operational interference is not shown in the display the following tips
can be used:
Basic actions
Start by checking the following possible fault sources:
The switch's position.
Group and main fuses of the accommodation.
The property's earth circuit breaker.
Low hot water temperature or a lack of hot water
Heat pump in incorrect operating mode.
Enter menu 4.2. If mode "auto" is selected, select a higher value on
"stop additional heat" in menu 4.9.2.
If mode "manual" is selected, select "addition".
Large hot water consumption.
Wait until the hot water has heated up. Temporarily increased hot
water capacity (temporary lux) can be activated in menu 2.1.
Too low hot water setting.
Enter menu 2.2 and select a higher comfort mode.
Closed or choked filling valve for the hot water heater.
Open the valve.
Low room temperature
Closed thermostats in several rooms.
See the Saving tips section on page 24 and menu 1.1 on page 29 for
more detailed information about how to best set the thermostats.
Heat pump in incorrect operating mode.
Enter menu 4.2. If mode "auto" is selected, select a higher value on
"stop heating" in menu 4.9.2.
If mode "manual" is selected, select "heating". If this is not enough,
select "addition".
Too low set value on the automatic heating control.
Enter menu 1.1 (temperature) and adjust the heat curve offset of the
heat curve. If the room temperature is only low in cold weather the
70 Chapter 4 | Disturbances in comfort NIBE™ F470