Nibe VVM 310 - Troubleshooting Common Issues

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.
႑
Correctly set load monitor (if installed).
Low hot water temperature or a lack of hot water
႑
Too high domestic water flow.
႑
Reduce the domestic water flow, see diagram of hot water capacity
in the installation manual.
႑
Indoor module in incorrect operating mode.
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
Indoor module 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 offset of the heating
curve. If the room temperature is only low in cold weather the curve
slope in menu 1.9.1 "heating curve" needs adjusting up.
႑
"Holiday mode" activated in menu 4.7.
႑
Enter menu 4.7 and select “Off”.
႑
External switch for changing the room heating activated.
႑
Check any external switches.
႑
Air in the climate system.
႑
Vent the climate system
NIBE™ VVM 310Chapter 4 | Disturbances in comfort58