Error code
00 Normal operation / no error
Applies to 3 models
FVXM25FV1B9, FVXM35FV1B9, FVXM50FV1B9
What this means
The diagnostic result indicates normal operation; there is no error or fault stored.
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 Daikin manualA deep link to the manufacturer's own PDF for full technical detail. We link to manuals, we never host them.
Using Claude Code or Meta Muse? Connect HeatPump AI and ask it about 00.