Error code
00 00: no error code displayed
Applies to 3 models
FTXZ25NV1B, FTXZ35NV1B, FTXZ50NV1B
What this means
The remote-control diagnostic display shows 00 when no fault code is currently available; this indicates no error/no fault detected by that diagnostic check.
What you can check yourself
- No action needed if the unit operates normally.
- If the OPERATION lamp is blinking, repeat the diagnostic procedure and contact a service provider if the problem persists.
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.