Hitachi AC Fault Code Solution | Inverter AC Error Code
Hitachi AC Fault Code Solution|Inverter AC Fault Code
Hitachi AC Fault Code P01 Pressure Ratio Protection Control
Hitachi AC Fault Code P02 High Pressure Improves Safety
Hitachi AC Fault Code P03 Inverter Current Protection
Hitachi AC Fault Code P04 Inverter fin temperature rise protection
Hitachi AC Fault Code P05 discharge gas temperature increases safety in the upper part of the compressor
Hitachi AC Fault Code P06 Reduces Low Pressure Protection
Hitachi AC Fault Code P09 High Pressure Reduces Safety
Hitachi AC Fault Code P0A demands current safety control
Hitachi AC Fault Code P0d enhances low pressure protection
Hitachi AC Fault Code P11 pressure ratio reduction
Hitachi AC Fault Code P12 low pressure increase try again
Hitachi AC Fault Code P13 increases high pressure retiree
Hitachi AC Fault Code P14 Constant Speed Compressor Over-current Retry
Hitachi AC Fault Code P15 discharge gas temperature decreases retiree / low pressure increases retiree
Hitachi AC Fault Code P16 discharge gas super-heat reduction retiree Retry
Hitachi AC Fault Code p17 Inverter mismatch
Hitachi AC Fault Code P18 abnormal Inverter voltage retry / Inverter failure retry
Hitachi AC Fault Code P26 High Pressure Reduction Retiree
Hitachi Inverter Powered Multi-Split System Heat Pump Air Conditioner Fault Code
Fault Code: 01
Contents of abnormality: tripping of protection device
Leading cause: Fan motor failure, drain discharge, PCB, relay
Fault Code: 02
Contents of abnormality: tripping of protection device
Leading cause: activation of PSH
Fault 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.
Fault Code: 04
Contents of abnormality: disparity between Inverter and control PCB
Leading Cause: Transmission failure between PCBs
Fault Code: 05
Material of inequality: power source wiring inequality
Leading cause: Reverse phase incorrect wiring
Fault 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
Fault Code: 07
Contents of Inequality: Reduction in Discharge Gas Superhit
Major reason: excessive refrigerant charge, expansion valve open lock
Fault Code: 08
Contents of inequality: increase in temperature of discharge gas
Leading cause: insufficient refrigerant. Ref. Leakage, clogging or expansion valve close lock
Fault Code: 09
Contents of abnormality: tripping of protection device
Leading Cause: Fan Motor Failure
Fault Code: 11
Material of Inequality: Inlet Air Thermistor
Leading cause: thermistor, sensor, connection failure
Fault Code: 12
Material of disparity: outlet air thermistor
Leading cause: thermistor, sensor, connection failure
Fault Code: 13
Material of Inequality: Freeze Protection Thermistor
Leading cause: thermistor, sensor, connection failure
Fault Code: 14
Material of Inequality: Gas Piping Thermistor
Leading cause: thermistor, sensor, connection failure
Fault Code: 19
Material of inequality: failure of fan motor
Leading Cause: Fan Motor Failure
Fault Code: 21
Material of Inequality: High Pressure Sensor
Leading cause: thermistor, sensor, connection failure
Fault Code: 22
Material of disparity: outdoor air thermistor
Leading cause: thermistor, sensor, connection failure
Fault Code: 23
Material of Inequality: Discharge gas thermistor on comp.
Leading cause: thermistor, sensor, connection failure
Fault Code: 24
Material of orientation: evaporation thermistor
Leading cause: thermistor, sensor, connection failure
Fault Code: 29
Material of abortion: low pressure sensor
Leading cause: thermistor, sensor, connection failure
Fault Code: 30
Inequality content: incorrect wiring connection
Major reason: incorrect wiring connection between outdoor unit, CH unit and indoor unit
Fault Code: 31
Content of inequality: incorrect setting of outdoor and indoor unit
Leading cause: incorrect setting of capacity Fault Code
Fault 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.
Fault 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
Fault 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
Fault Code: 39
Contents of Inequality: Inequality of Running Current on Continuous Compressor
Leading cause: overlapping of current sensor failure, molten fuse
Fault Code: 43
Contents of Inequality: Reduction in Pressure Ratio
Leading cause: Compressor, Inverter failure
Fault 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
Fault Code: 45
Content of inequality: high pressure surge protection activation
Major reason: overload operation. Excessive refrigerant clogging of heat exchanger
Fault Code: 46
Contents of inequality: enabling high pressure reduction protection
Leading cause: insufficient refrigerant
Fault Code: 47
Contents of Inequality: Activating Low Pressure Reduction Protection
Leading cause: insufficient refrigerant. Expansion Valve Lock Lock. Refrigerant leak
Fault Code: 51
Contents of inequality: abnormality of current sensor for Inverter
Major reason: sensor failure on Inverter PCB
Fault Code: 52
Contents of inequality: activating overprotection protection
Leading cause: overload, overflow, shut down for compressor
Fault Code: 53
Contents of Inequality: Activating IPM Protection
Leading cause: IPM automatic stagnation
Fault Code: 54
Material of inequality: increase in Inverter fin temperature
Leading cause: abnormal Inverter fin thermistor, abnormal outdoor fan
Fault Code: 56
Content of inequality: Identity inequality for fan motor position
Leading cause: abnormal probe circuit of transmission
Fault Code: 57
Contents of Inequality: Activating Fan Controller Protection
Leading cause: abnormal fan speed
Fault Code: 58
Contents of abnormality: abnormality of fan controller
Leading cause: overcurrent, abnormal fan controller fin
Fault Code: 59
Material of abnormality: AC chopper circuit protection
Leading cause: FET failure, power supply, fan motor for whistle
Fault Code: EE
Material of Inequality: Compressor Protection
Leading cause: 3 time occurrence of damage to the compressor within 6 hours
Fault Code: dd
Contents of Inequality: Incorrect Wiring Between Indoor Units
Leading cause: incorrect wiring between indoor unit and remote control switch
Fault Code: 01
Reason: Indoor unit safety device is stuck (internal thermostat, * float switch)
Fault Code: 02
Reason: Safety device of external unit is stuck
Fault Code: 03
Reason: Transmission uniformity between indoor unit and outdoor unit
Fault Code: 05
Reason: choosing phase asymmetry
Fault Code: 08
Reason: abnormal high temperature at the top of the compressor
Fault Code: 11
Reason: Thermistor Abnormality for Inlet Air Temperature
Fault Code: 12
Reason: Thermistor Abnormality for Outlet Air Temperature
Fault Code: 13
Reason: Thermistor Abnormality for Freezing Temperatures
Fault Code: 20
Reason: Thermistor Abnormality for Compressor Top Temperature
Fault Code: 22
Reason: Thermistor Abnormality for outdoor air temperature
Fault Code: 24
Reason: Thermistor Abnormality for Outdoor Evaporation Temperature (Defrosting)
Fault Code: 25
Reason: Thermistor Abnormality for Condensing Temperature
Fault Code: 32
Reason: Transmission inequality between master and slave
Fault Code: 38
Reason: Inhumanity in circuit protection
Fault Code: 41
Reason: Excessive overload during cooling operation
Fault Code: 42
Reason: Excessive overload during heat operation
Hitachi AC Fault Code Solution|Inverter AC Fault Code Download pdf File
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