Error code
live-status-lamp-white-solid Status lamp white: normal operation
Applies to 1 model
S735
What this means
The heat pump is operating normally.
What you can check yourself
- No action needed — the unit is operating normally.
Still not resolved? Contact a qualified installer or servicer.
See the official NIBE manualA deep link to the manufacturer's own PDF for full technical detail. We link to manuals, we never host them.