Daikin air conditioner error L3
Meaning
Electrical box temperature rise
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
Electrical box temperature over 120°C when comp' off
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
El. compo. box temperature rise
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
Electrical box temperature rise (compressor off)
Models
FTKB09AXVJU, FTKB12AXVJU, FTKB18AXVJU, FTKB24AXVJU, FTKN09AXVJU, FTKN12AXVJU, FTKN18AXVJU, FTKN24AXVJU, FTXB09AXVJU, FTXB12AXVJU, FTXB18AXVJU, FTXB24AXVJU, FTXN-LV1B9, FTXN09AXVJU, FTXN12AXVJU, FTXN18AXVJU, FTXN24AXVJU, RKB09AXVJU, RKB12AXVJU, RKB18AXVJU, RKB24AXVJU, RKN09AXVJU, RKN12AXVJU, RKN18AXVJU, RKN24AXVJU, RXB09AXVJU, RXB12AXVJU, RXB18AXVJU, RXB24AXVJU, RXN-LV1B9 and 4 more
Meaning
Electrical parts heat fault
Models
ATKB25ZVMV, ATKB35ZVMV, ATKF25ZVMV, ATKF35ZVMV, FTKB25ZVMV, FTKB35ZVMV, FTKB50ZVMV, FTKB60ZVMV, FTKF25ZVMV, FTKF35ZVMV, FTKF50ZVMV, FTKF60ZVMV, FTKF71ZVMV, FTKM25AVMV, FTKM35AVMV, FTKM50AVMV, FTKM60AVMV, FTKM71AVMV
Meaning
Outdoor control box overheat
Models
FTXN-LV1B9, RXN-LV1B9
Causes and how to check
- 5 possible causes
- 6 checks in order
- the repair procedure printed in the service manual
- the cited manual page, and follow-up questions
No account needed to look up codes.
Model series: ATKB, ATKF, FTKB, FTKF, FTKM, FTKN, FTXB, FTXN, RKB, RKN, RXB, RXN
Guides
- Checking an air conditioner temperature sensor (thermistor)
How to check the room, coil or discharge sensor when the unit reports a sensor error: measure its resistance and compare with the exact model's table.