Hitachi VRV All models error codes
Codes
- U7Error codeTransmission error between outdoor units
- U7-01Error codeError when external control adaptor for outdoor unit is installed
- U7-03Error codeTransmission error between master and slave 1 units
- U7-04Error codeTransmission error between master and slave 2 units
- U7-05Error codeMulti system error
- U7-06Error codeError in address settings of slave 1 and 2
- U7-11Error codeError in indoor unit connection capacity for test operation
- U8Error codeTransmission error between main and sub remote controllers
- U9Error codeSystem mismatch Mismatched indoor unit models used (R-410A, R-407C, RA, Hydrobox, etc.). Defective indoor unit
- U9-01Error codeOther indoor units abnormality
- UA-13Error codeRefrigerant type error
- UA-18Error codeConnection of excessive indoor units
- UA-29Error codeConnection error
- UFError codeDefective automatic addressing (inconsistency)
- UF-01Error codeWrong wiring check error
- UF-05Error codeDefective stop valve for test operation
- UH-01Error codeWiring error
- UH-05Error codeClimate Talk Communication system combination error (before initial setting for communication completes)
- UH-06Error codeClimate Talk Communication system combination error (after initial setting for communication completes)