Hitachi AC Error Code Solution | Inverter AC Error Code

Hitachi AC Error Code Solution | Inverter AC Error Code

hitachi air conditioning error codes

hitachi air conditioning error codes

P01 Pressure Ratio Protection Control

P02 High Pressure Improves Safety

P03 Inverter Current Protection

P04 Inverter fin temperature rise protection

P05 discharge gas temperature increases safety in the upper part of the compressor

P06 Reduces Low Pressure Protection

P09 High Pressure Reduces Safety

P0A demands current safety control

P0d enhances low pressure protection

P11 pressure ratio reduction

P12 low pressure increase try again

P13 increases high pressure retiree

P14 Constant Speed Compressor Over-current Retry

P15 discharge gas temperature decreases retiree / low pressure increases retiree

P16 discharge gas super-heat reduction retiree Retry

p17 Inverter mismatch

P18 abnormal Inverter voltage retry / Inverter failure retry

P26 High Pressure Reduction Retiree
Hitachi Inverter Powered Multi-Split System Heat Pump Air Conditioner Error Code

Error Code: 01
Contents of abnormality: tripping of protection device
Leading cause: Fan motor failure, drain discharge, PCB, relay

Error Code: 02
Contents of abnormality: tripping of protection device
Leading cause: activation of PSH

Error Code: 03
Content of Inequality: Inequality between indoor (or outdoor) and outdoor (or indoor)
Leading cause: incorrect wiring. PCB failure. Tripping of fuses. Power supply turned off.

Error Code: 04
Contents of abnormality: disparity between Inverter and control PCB
Leading Cause: Transmission failure between PCBs

Error Code: 05
Material of inequality: power source wiring inequality
Leading cause: Reverse phase incorrect wiring

Error Code: 06
Material of Inequality: Voltage drop by extremely low or high voltage from external unit
Leading cause: voltage drop of power supply, incorrect wiring or insufficient capacity of power supply wiring

Error Code: 07
Contents of Inequality: Reduction in Discharge Gas Superhit
Major reason: excessive refrigerant charge, expansion valve open lock

Error Code: 08
Contents of inequality: increase in temperature of discharge gas
Leading cause: insufficient refrigerant. Ref. Leakage, clogging or expansion valve close lock

Error Code: 09
Contents of abnormality: tripping of protection device
Leading Cause: Fan Motor Failure

Error Code: 11
Material of Inequality: Inlet Air Thermistor
Leading cause: thermistor, sensor, connection failure

Error Code: 12
Material of disparity: outlet air thermistor
Leading cause: thermistor, sensor, connection failure

Error Code: 13
Material of Inequality: Freeze Protection Thermistor
Leading cause: thermistor, sensor, connection failure

Error Code: 14
Material of Inequality: Gas Piping Thermistor
Leading cause: thermistor, sensor, connection failure

Error Code: 19
Material of inequality: failure of fan motor
Leading Cause: Fan Motor Failure

Error Code: 21
Material of Inequality: High Pressure Sensor
Leading cause: thermistor, sensor, connection failure

Error Code: 22
Material of disparity: outdoor air thermistor
Leading cause: thermistor, sensor, connection failure

Error Code: 23
Material of Inequality: Discharge gas thermistor on comp.
Leading cause: thermistor, sensor, connection failure

Error Code: 24
Material of orientation: evaporation thermistor
Leading cause: thermistor, sensor, connection failure

Error Code: 29
Material of abortion: low pressure sensor
Leading cause: thermistor, sensor, connection failure

Error Code: 30
Inequality content: incorrect wiring connection
Major reason: incorrect wiring connection between outdoor unit, CH unit and indoor unit

Error Code: 31
Content of inequality: incorrect setting of outdoor and indoor unit
Leading cause: incorrect setting of capacity Error Code

Error Code: 32
Contents of abnormality: abnormal transmission of other indoor unit
Leading cause: Power supply failure, PCB in other indoor unit. Other indoor unit failure of the same refrigerant cycle.

Error Code: 35
Contents of abnormality: incorrect setting in indoor / outdoor unit
Leading Cause: The existence of the same indoor unit number in the same refrigerant cycle

Error Code: 38
Contents of inequality: abnormality of protective circuit in external unit
Leading Cause: Indoor unit PCB failure. Incorrect wiring connection for PCB in external unit

Error Code: 39
Contents of Inequality: Inequality of Running Current on Continuous Compressor
Leading cause: overlapping of current sensor failure, molten fuse

Error Code: 43
Contents of Inequality: Reduction in Pressure Ratio
Leading cause: Compressor, Inverter failure

Error Code: 44
Content of inequality: low pressure surge protection activation
Leading cause: Indoor overload in cooling, high temperature of outdoor air in heat expansion valve open lock

Error Code: 45
Content of inequality: high pressure surge protection activation
Major reason: overload operation. Excessive refrigerant clogging of heat exchanger

Error Code: 46C

ontents of inequality: enabling high pressure reduction protection
Leading cause: insufficient refrigerant

Error Code: 47
Contents of Inequality: Activating Low Pressure Reduction Protection
Leading cause: insufficient refrigerant. Expansion Valve Lock Lock. Refrigerant leak

Error Code: 51
Contents of inequality: abnormality of current sensor for Inverter
Major reason: sensor failure on Inverter PCB

Error Code: 52
Contents of inequality: activating overprotection protection
Leading cause: overload, overflow, shut down for compressor

Error Code: 53
Contents of Inequality: Activating IPM Protection
Leading cause: IPM automatic stagnation

Error Code: 54
Material of inequality: increase in Inverter fin temperature
Leading cause: abnormal Inverter fin thermistor, abnormal outdoor fan

Error Code: 56
Content of inequality: Identity inequality for fan motor position
Leading cause: abnormal probe circuit of transmission

Error Code: 57
Contents of Inequality: Activating Fan Controller Protection
Leading cause: abnormal fan speed

Error Code: 58
Contents of abnormality: abnormality of fan controller
Leading cause: overcurrent, abnormal fan controller fin

Error Code: 59
Material of abnormality: AC chopper circuit protection
Leading cause: FET failure, power supply, fan motor for whistle

Error Code: EE
Material of Inequality: Compressor Protection
Leading cause: 3 time occurrence of damage to the compressor within 6 hours

Error Code: dd
Contents of Inequality: Incorrect Wiring Between Indoor Units
Leading cause: incorrect wiring between indoor unit and remote control switch

Error Code: 01
Reason: Indoor unit safety device is stuck (internal thermostat, * float switch)

Error Code: 02
Reason: Safety device of external unit is stuck

Error Code: 03
Reason: Transmission uniformity between indoor unit and outdoor unit

Error Code: 05
Reason: choosing phase asymmetry

Error Code: 08
Reason: abnormal high temperature at the top of the compressor

Error Code: 11
Reason: Thermistor Abnormality for Inlet Air Temperature

Error Code: 12
Reason: Thermistor Abnormality for Outlet Air Temperature

Error Code: 13
Reason: Thermistor Abnormality for Freezing Temperatures

Error Code: 20
Reason: Thermistor Abnormality for Compressor Top Temperature

Error Code: 22
Reason: Thermistor Abnormality for outdoor air temperature

Error Code: 24
Reason: Thermistor Abnormality for Outdoor Evaporation Temperature (Defrosting)

Error Code: 25
Reason: Thermistor Abnormality for Condensing Temperature

Error Code: 32
Reason: Transmission inequality between master and slave

Error Code: 38
Reason: Inhumanity in circuit protection

Error Code: 41
Reason: Excessive overload during cooling operation

Error Code: 42
Reason: Excessive overload during heat operation

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