Daikin air conditioner error U2
Meaning
Low-voltage detection or over-voltage detection
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
Power supply fault
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
Malfunction of power supply or instantaneous power failure
General meaning for the brand's models, unless a model's own manual says otherwise.
Meaning
DC voltage out of range
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
Drop voltage or main circuit overvoltage
Models
ATKB25ZVMV, ATKB35ZVMV, ATKF25ZVMV, ATKF35ZVMV, FTKB25ZVMV, FTKB35ZVMV, FTKB50ZVMV, FTKB60ZVMV, FTKF25ZVMV, FTKF35ZVMV, FTKF50ZVMV, FTKF60ZVMV, FTKF71ZVMV, FTKM25AVMV, FTKM35AVMV, FTKM50AVMV, FTKM60AVMV, FTKM71AVMV
Causes and how to check
- 3 possible causes
- 3 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