Nibe FLM - Troubleshooting

Troubleshooting
If the malfunction does not appear in the display or NIBE
FLM is not connected to a compatible heat pump, 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 NIBE FLM is connected.
• Group and main fuses of the accommodation.
• The property's earth circuit breaker.
LOW OR A LACK OF VENTILATION
• Filter (HQ10) blocked.
– Clean or replace the filter.
• The ventilation is not adjusted.
– Order/implement ventilation adjustment.
• Exhaust air device blocked or throttled down too
much.
– Check and clean the exhaust air devices.
• Fan speed in reduced mode.
– If NIBE FLM is connected to a compatible heat
pump: Enter menu 1.2 and select “normal”.
If NIBE FLM is connected to another heat pump:
Check the potentiometer (SF3).
• External switch for changing the fan speed activated.
– Check any external switches.
HIGH OR DISTRACTING VENTILATION
• Filter (HQ10) blocked.
– Clean or replace the filter.
• The ventilation is not adjusted.
– Order/implement ventilation adjustment.
• Fan speed in forced mode.
– If NIBE FLM is connected to a compatible heat
pump: Enter menu 1.2 and select “normal”.
If NIBE FLM is connected to another heat pump:
Check the potentiometer (SF3).
• External switch for changing the fan speed activated.
– Check any external switches.
GURGLING SOUND
• Not enough water in the water seal.
– Refill the water seal with water.
• Choked water seal.
– Check and adjust the condensation water hose.
NIBE FLMChapter 9 | Disturbances in comfort30