Error Codes- Indoor Unit - DURASTAR DRADL0612F2A Installation Manual

ERROR CODES- INDOOR UNIT

CODE OPERATION OR ERROR DESCRIPTION
DISPLAYED
dF Defrost (not an error code)
FC Forced cooling (not an error code)
EC07 ODU fan speed out of control
EC51 ODU EEPROM parameter error
EC52 ODU coil temp. sensor (T3) error
EC53 ODU ambient temp. sensor (T4) error
EC54 COMP. discharge temp. sensor (TP) error
EC56 IDU coil outlet temp. sensor (T2B) error
ECC1 Other IDU refrigerant sensor detects leakage (Multi-zone)
EH00 IDU EEPROM malfunction
EH03 IDU fan speed out of control
EH0A IDU EEPROM parameter error
EH0E Water-level alarm malfunction
EH12 Main unit or secondary units malfunction
EH3A External fan DC bus voltage is too low protection
EH3b External fan DC bus voltage is too high fault
EH60 IDU room temp. sensor (T1) error
EH61 IDU coil temp. sensor (T2) error
EHbA Communication error between the indoor unit and the external fan module
EHC1 Refrigerant sensor detects leakage
EHC2 Refrigerant sensor is out of range and leakage is detected
EHC3 Refrigerant sensor is out of range
EL01 IDU & ODU communication error
EL0C System lacks refrigerant
EL11 Communication malfunction between main unit and secondary units
FHCC Refrigerant sensor error
PC00 ODU IPM module protection
PC01 ODU voltage protection
PC02 Compressor top (or IPM) temp. protection
PC03 Pressure protection (low or high pressure)
PC04 Inverter compressor drive error
PC0L Low ambient temperature protection
---- IDUs mode conflict (Multi-zone)
40
R
DURASTAR.COM
©2025 Durastar
V1.1 0125