Maintenance And Repair - Hitachi PC-ARF Technical Catalogue

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8 Control support devices
PSC-6RAD

8.2.5 Maintenance and repair

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Alarm code table
Code No.
1A
RAC I.U. Alarm Code (0010) Ventilation Fan Failure
1B
RAC I.U. Alarm Code (0011) Smutch Sensor Failure
1C
RAC I.U. Alarm Code (0012) Cleaning Unit Failure
71
RAC I.U. Alarm Code (0001) Reversing Valve Malfunction
73
RAC I.U. Alarm Code (0003) Indoor Transmission Circuit Failure
75
RAC I.U. Alarm Code (0005) Power Relay Contact Depositing
76
RAC I.U. Alarm Code (0006) Abnormal Water Level
79
RAC I.U. Alarm Code (0009) Thermistor Failure
7A
RAC I.U. Alarm Code (000A) Indoor Fan Failure
7B
RAC I.U. Alarm Code (000B) Ion Generator Failure
7C
RAC I.U. Alarm Code (000C) Outdoor Transmission Circuit Failure
7D
RAC I.U. Alarm Code (000D) EEPROM Read Error
7E
RAC I.U. Alarm Code (000E) Heat Exchanger Thermistor Failure
7F
RAC I.U. Alarm Code (000F) Room Temperature Thermistor Failure
82
RAC O.U. Alarm Code (0102) Stoppage by Peak Current Control
83
RAC O.U. Alarm Code (0103) Abnormal Low Speed of the Compressor
84
RAC O.U. Alarm Code (0104) Compressor Changeover Failure
85
RAC O.U. Alarm Code (0105) Lower Limit of Compressor Overload
86
RAC O.U. Alarm Code (0106) Stoppage by OH Thermistor High Temperature
87
RAC O.U. Alarm Code (0107) Thermistor Failure
88
RAC O.U. Alarm Code (0108) Failure of Compressor Speed Increasing Control
89
RAC O.U. Alarm Code (0109) Stoppage by Transmission Error
8A
RAC O.U. Alarm Code (010A) Power Supply Voltage Error
8B
RAC O.U. Alarm Code (010B) Fin Stoppage
8C
RAC O.U. Alarm Code (010C) Fan Lock Stoppage
8D
RAC O.U. Alarm Code (0010) EEPROM Read Error
8E
RAC O.U. Alarm Code (010E) ACT Abnormal Stoppage
8F
RAC O.U. Alarm Code (010F) Discharge Error
717
TCGB0106 rev.0 - 12/2014
Content of Abnormality
8

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