Nibe F1145-5 Installer Manual page 64

Gurgling sound
This part of the fault-tracing chapter only applies if the
NIBE FLM accessory is installed.
Not enough water in the water seal.
■
Refill the water seal with water.
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Choked water seal.
■
Check and adjust the condensation water hose.
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64 Chapter 10 | Disturbances in comfort NIBE F1145