Error code
A5 A5: dirty or dusty air filter
Applies to 3 models
FTXZ25NV1B, FTXZ35NV1B, FTXZ50NV1B
What this means
The unit identifies a dirty or dusty air filter and requests filter-cleaning operation.
What you can check yourself
- Stop operation and run filter-cleaning operation.
- After cleaning, switch the power off and on again, then restart the unit.
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.
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