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:
႑
The switch's position.
႑
Group and main fuses of the accommodation.
႑
The property's earth circuit breaker.
Low hot water temperature or a lack of hot water
႑
Closed or choked filling valve for the hot water heater.
႑
Open the valve.
႑
Heat pump in incorrect operating mode.
႑
Enter menu 4.2. If mode "auto" is selected, select a higher value on
"stop additional heat“ in menu 4.9.2.
႑
If mode "manual" is selected, select "addition".
႑
Large hot water consumption.
႑
Wait until the hot water has heated up. Temporarily increased hot
water capacity (temporary lux) can be activated in menu 2.1.
႑
Too low hot water setting.
႑
Enter menu 2.2 and select a higher comfort mode.
Low room temperature
႑
Closed thermostats in several rooms.
႑
See the Saving tips section on page 26 and menu 1.1 on page 32 for
more detailed information about how to best set the thermostats.
႑
Heat pump in incorrect operating mode.
႑
Enter menu 4.2. If mode "auto" is selected, select a higher value on
"stop heating“ in menu 4.9.2.
႑
If mode "manual" is selected, select "heating". If this is not enough,
select "addition".
႑
Too low set value on the automatic heating control.
႑
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
NIBE™ F470Chapter 4 | Disturbances in comfort74
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