Haier aircon error codes & blinking lights

Search official Haier MRV-S MVAB and MVAL cassette, MVAD and MVAH ducted, MVAW wall-mounted, and MVHP outdoor diagnostic rows. Pick the exact family before diagnosis.

Haier error code & blinking light lookup

Choose the matching MRV-S indoor or outdoor model family, then search the code shown on the indoor display, wired controller, or master outdoor-unit board.

Search code or operating display

Model / series

Display location

Aircon type

119 matches

Browse all 61 Haier code pagesCanonical links grouped by MRV-S indoor or outdoor reporting equipment.

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Haier aircon error codes & blinking lights

Haier error code & blinking light lookup

01Indoor ambient-temperature sensor TA failureResult 1 of 5 with this code and meaning. Expand for model and series details.

02Indoor pipe-temperature sensor TC1 failure

03Indoor pipe-temperature sensor TC2 failure

04Indoor dual-heat-source temperature sensor failure

05Indoor EEPROM failureResult 1 of 5 with this code and meaning. Expand for model and series details.

06Communication failure between indoor and outdoor unitsResult 1 of 5 with this code and meaning. Expand for model and series details.

07Communication failure between indoor unit and wired controllerResult 1 of 5 with this code and meaning. Expand for model and series details.

08Indoor water-drainage failure

09Duplicate indoor-unit addressResult 1 of 5 with this code and meaning. Expand for model and series details.

0AReserved display

0CIndoor 50 Hz zero-crossing failureResult 1 of 4 with this code and meaning. Expand for model and series details.

0EIndoor DC fan failure

20Outdoor-unit fault roll-up displayResult 1 of 4 with this code and meaning. Expand for model and series details.

01Indoor ambient-temperature sensor TA failureResult 2 of 5 with this code and meaning. Expand for model and series details.

02Indoor coil-pipe temperature sensor TC1 failureResult 1 of 3 with this code and meaning. Expand for model and series details.

03Indoor coil-pipe temperature sensor TC2 failureResult 1 of 3 with this code and meaning. Expand for model and series details.

05Indoor EEPROM failureResult 2 of 5 with this code and meaning. Expand for model and series details.

06Communication failure between indoor and outdoor unitsResult 2 of 5 with this code and meaning. Expand for model and series details.

07Communication failure between indoor unit and wired controllerResult 2 of 5 with this code and meaning. Expand for model and series details.

08Indoor float-switch failureResult 1 of 4 with this code and meaning. Expand for model and series details.

09Duplicate indoor-unit addressResult 2 of 5 with this code and meaning. Expand for model and series details.

12Indoor 50 Hz zero-crossing failure

13Incorrect DC motor model

14DC motor failure

16Communication failure between DC motor and indoor PCB

18Three-pipe valve-box four-way valve reversing failure

20Outdoor-unit fault roll-up displayResult 2 of 4 with this code and meaning. Expand for model and series details.

01Indoor ambient-temperature sensor TA failureResult 3 of 5 with this code and meaning. Expand for model and series details.

02Indoor coil-pipe temperature sensor TC1 failureResult 2 of 3 with this code and meaning. Expand for model and series details.

03Indoor coil-pipe temperature sensor TC2 failureResult 2 of 3 with this code and meaning. Expand for model and series details.

05Indoor EEPROM failureResult 3 of 5 with this code and meaning. Expand for model and series details.

06Communication failure between indoor and outdoor unitsResult 3 of 5 with this code and meaning. Expand for model and series details.

07Communication failure between indoor unit and wired controllerResult 3 of 5 with this code and meaning. Expand for model and series details.

08Indoor float-switch failureResult 2 of 4 with this code and meaning. Expand for model and series details.

09Duplicate indoor-unit addressResult 3 of 5 with this code and meaning. Expand for model and series details.

0ACommunication failure between indoor unit and display board

0CIndoor 50 Hz zero-crossing failureResult 2 of 4 with this code and meaning. Expand for model and series details.

0EIndoor DC motor failureResult 1 of 3 with this code and meaning. Expand for model and series details.

20Outdoor-unit fault roll-up displayResult 3 of 4 with this code and meaning. Expand for model and series details.

01Indoor ambient-temperature sensor TA failureResult 4 of 5 with this code and meaning. Expand for model and series details.

02Indoor coil-pipe temperature sensor TC1 failureResult 3 of 3 with this code and meaning. Expand for model and series details.

03Indoor coil-pipe temperature sensor TC2 failureResult 3 of 3 with this code and meaning. Expand for model and series details.

05Indoor EEPROM failureResult 4 of 5 with this code and meaning. Expand for model and series details.

06Communication failure between indoor and outdoor unitsResult 4 of 5 with this code and meaning. Expand for model and series details.

07Communication failure between indoor unit and wired controllerResult 4 of 5 with this code and meaning. Expand for model and series details.

08Indoor float-switch failureResult 3 of 4 with this code and meaning. Expand for model and series details.

09Duplicate indoor-unit addressResult 4 of 5 with this code and meaning. Expand for model and series details.

0CIndoor 50 Hz zero-crossing failureResult 3 of 4 with this code and meaning. Expand for model and series details.

0EIndoor DC motor failureResult 2 of 3 with this code and meaning. Expand for model and series details.

12Three-pipe valve-box four-way valve reversing failureResult 1 of 2 with this code and meaning. Expand for model and series details.

20Outdoor-unit fault roll-up displayResult 4 of 4 with this code and meaning. Expand for model and series details.

01Indoor ambient-temperature sensor TA failureResult 5 of 5 with this code and meaning. Expand for model and series details.

02Indoor gas-pipe temperature sensor TC1 failure

03Indoor liquid-pipe temperature sensor TC2 failure

05Indoor EEPROM failureResult 5 of 5 with this code and meaning. Expand for model and series details.

06Communication failure between indoor and outdoor unitsResult 5 of 5 with this code and meaning. Expand for model and series details.

07Communication failure between indoor unit and wired controllerResult 5 of 5 with this code and meaning. Expand for model and series details.

08Indoor float-switch failureResult 4 of 4 with this code and meaning. Expand for model and series details.

09Duplicate indoor-unit addressResult 5 of 5 with this code and meaning. Expand for model and series details.

0CIndoor 50 Hz zero-crossing failureResult 4 of 4 with this code and meaning. Expand for model and series details.

0EIndoor DC motor failureResult 3 of 3 with this code and meaning. Expand for model and series details.

12Three-pipe valve-box four-way valve reversing failureResult 2 of 2 with this code and meaning. Expand for model and series details.

14Outdoor-unit fault roll-up display

20Defrosting-temperature sensor Te1 failure

21Outdoor ambient-temperature sensor Ta failure

22Suction-temperature sensor Ts failure

23Discharge-temperature sensor Td failure

26-0No connected indoor units detected

26-1Detected indoor-unit count is lower than the configured count

26-2Detected indoor-unit count is higher than the configured count

28High-pressure sensor Pd failure

29Low-pressure sensor Ps failure

30High-pressure switch HPS failure

33Outdoor EEPROM failure

34Discharge temperature too high protection

35Four-way valve reversing failure

39-0Low-pressure sensor Ps too-low protection

39-1Compression ratio too high protection