Hitachi operates in the field of chillers, roof-top type, precision controlled air conditioners and chillers. It is among the frequently preferred brands because it produces different types of coolers and has high efficiency. The choice when purchasing a cooler group may vary depending on the size of the facility and the number of people in the environment. Otherwise, excessive energy consumption will occur. Hitachi Technical Service Device purchases, malfunctions, repairs and periodic maintenance must be carried out by the Hitachi Authorized Service. Since they are expensive cooling groups, an intervention by a non-expert team may lead to high costs. You can contact us from the contact tab for malfunction repairs, periodic maintenance and spare parts supply of the Hitachi cooling groups in your facility. What to Do in Case of Malfunction In case of malfunction, you can first check the list of Hitachi Error Codes to have an idea about the chiller malfunction. After being informed about the error codes, Hitachi Technical Service should be contacted and the intervention process should be carried out by an expert team. Otherwise, the slightest mistake may lead to high costs. Hitachi Error Codes
01: Indoor Unit Protection Device Not Opening (Flow Switch)
02: Outdoor Unit Protection Device Not Opening (High Pressure Cut-Off)
03: Abnormality Between Indoor and Outdoor Units
04: Abnormality Between Inverter PCB and Outdoor Unit PCB
04: Abnormality Between Fan Control And Outdoor Unit PCB
05: Abnormal Power Supply Phases
06: Abnormal Inverter Voltage
06: Abnormal Fan Control Voltage
07: Drop in Leaving Gas Temperature
08: Increase in Leaving Gas Temperature
0A: Abnormality Between Outdoor Units
0B: Incorrect Outdoor Unit Setting
0C: Wrong Master Outdoor Unit Setting
11: Air Inlet Thermistor
12: Air Outlet Thermistor
13: Freeze Protection Thermistor
14: Gas Piping Thermistor
19: Indoor Unit Fan Protection Device Trip
21: High Pressure Sensor
22: Outdoor Air Thermistor
23: Compressor Outlet Gas Thermistor
24: Exchanger Liquid Pipe Thermistor
25: Heat Exchanger Gas Pipe Thermistor
29: Low Pressure Sensor
31: Wrong Capacity Setting of Outdoor Unit or Indoor Unit