Hitachi ADVANCED COLOR PC-ARFH2E Manuel D'installation Et D'utilisation page 127

Code Text
Incorrect indoor unit address setting
35 System
36 System
Abnormality picking up circuit for protec.
38 System
41 Indoor
42 Outdoor
43 Outdoor
Low pressure increase abnormality
44 Outdoor
Very high discharge pressure protection
45 Outdoor
Multiple Origins
47
Multiple Origins Activation of overcurrent protection
48
Abnormal operation of the current sensor
51 Inverter
Protection of the Inverter PCB (Outdoor)
53 Inverter
Excessive temperature of the Inverter PCB
54 Inverter
Abnormal operation of Inverter PCB (OU)
55 Inverter
Activating the protection of the fan motor
57 Outdoor
5B Outdoor fan Activation of over current protection
Outdoor fan Abnormality in current detection circuit
5C
202 Indoor
Sub room controller stops answering
203 Indoor
Indoor unit stops answering to controller
204 Indoor
EE Compressor
PMEN0597 rev.1 - 06/2023
Origin Retry stop code
Incorrect indoor unit combination
High pressure switch overload
Pressure ratio decrease
Pressure ratio increase
Excessively low suction pressure
Wrong settings of the controller
Compressor protection
Duplication of indoor unit number, number of indoor units over specifications.
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Failure of indoor unit PCB, incorrect wiring, connection to PCB in indoor unit.
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-
-
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Overload (obstruction of HEX, short circuit) mixture of inert gas, Excessive Refrigerant.
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Shortage or leakage of refrigerant, piping clogging, expansion valve close-locked, fan motor locked.
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Overload, overcurrent. Failure of Inverter PCB, heat exchanger clogged, locked compressor. EVI/EVO failure.
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Incorrect wiring of current sensor. Failure of control PCB or Inverter PCB.
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Inverter module (IPM, DIP-IPM) and Inverter PCB abnormality. Failure of compressor, clogging of heat exchanger.
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Loose, disconnected, broken or short-circuited connector
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Compressor failure. This alarm code appears when the following alarms 02, 07, 08, 45, 47 occur three times within 6 hours.
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Main factors
Heat Exchanger Clogging. Fan Motor Failure.
Failure of DIP-IPM, IPM or Inverter PCB.
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