Daikin VRV Error code

A0 - External protection device was activated.

A1 - EEPROM failure ( indoor ).

A3 - Drain system malfunction ( indoor ).

A6 - Fan motor malfunction ( indoor ).

A7 - Swing flap motor malfunction ( indoor ).

A9 - Expansion valve malfunction ( indoor ).

AF - Drain malfunction ( indoor unit ).

AH - Filter dust chamber malfunction ( indoor ).

AJ - Capacity setting malfunction ( indoor ).

C1 - Transmission malfunction between main PCB and sub PCB ( indoor ).

C4 - Heat exchanger thermistor malfunction ( indoor ; liquid ).

C5 - Heat exchanger thermistor malfunction ( indoor ; gas ).

C9 - Suction thermistor malfunction ( indoor ).

CA - Discharge air thermistor malfunction ( indoor ).

CE - Movement detector or floor temperature sensor malfunction ( indoor ).

CJ - User interface thermistor malfunction ( indoor ).

E1 - PCB malfunction ( outdoor ).

E2  - Current leakage detector was activated ( outdoor ).

E3 - High pressure switch was activated.

E4 - Low pressure malfunction ( outdoor ).

E5 - Compressor lock detection ( outdoor ).

E7 - Fan motor malfunction ( outdoor ).

E9 - Electronic expansion valve malfunction ( outdoor ).

F3 - Discharge temperature malfunction ( outdoor ).

F4 - Abnormal suction temperature ( outdoor ).

F6 - Refrigerant overcharge detection.

H3 - High pressure switch malfunction.

H4 - Low pressure switch malfunction.

H7 - Fan motor trouble ( outdoor ).

H9 - Ambient temperature sensor malfunction ( outdoor ).

J1 - Pressure sensor malfunction.

J2 - Current sensor malfunction.

J3 - Discharge temperature sensor malfunction ( outdoor ).

J4 - Heat exchanger gas temperature sensor malfunction ( outdoor ).

J5 - Suction temperature sensor malfunction ( outdoor ).

J6 - De - icing temperature sensor malfunction ( outdoor ).

J7 - Liquid temperature sensor ( after subcool HE ) malfunction ( outdoor ).

J8 - Liquid temperature sensor ( coil ) malfunction ( outdoor ).

J9 - Gas temperature sensor ( after subcool HE ) malfunction ( outdoor ).

JA - High pressure sensor malfunction ( S1NPH ).

JC - Low pressure sensor malfunction ( S1NPL ).

L1 - INV PCB abnormal.

L4 - Fin temperature abnormal.

L5 - Inverter PCB faulty.

L8 - Compressor over current detected L9 - Compressor lock ( startup ).

LC - Transmission outdoor unit - inverter : INV transmission trouble.

P1 - INV unbalanced power supply voltage.

P2 - Autocharge operation related.

P4 - Fin thermistor malfunction.

P8 - Autocharge operation related.

P9 - Autocharge operation related.

PE - Autocharge operation related.

PJ - Capacity setting malfunction ( outdoor ).

U0 - Abnormal low pressure drop , faulty expansion valve.

U1 - Open phase.

U2 - INV voltage power shortage.

U3 - System test run not yet executed.

U4 - Faulty wiring indoor / outdoor.

U5 - Abnormal user interface - indoor communication.

U7 - Faulty wiring to Q1 / Q2.

U8 - Abnormal main - sub user interface communication.

U9 - System mismatch . Wrong type of indoor units combined . Indoor unit malfunction. .

UR - Connection malfunction over indoor units or type mismatch.

UC- Centralized address duplication.

UE - Malfunction in communication centralized control device - indoor unit.

UF - Auto address malfunction ( inconsistency ).

UH - Auto address malfunction ( inconsistency ).