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[2] Diagnosing Problems Using Error Codes If a problem occurs, please check the following before calling for service. (1) Check the error code against the table below. (2) Check for possible causes of problems listed in the "Cause" column that correspond to the error code. (3) If the error codes that appear on the display are not listed in the table below, or no problems were found with the items listed in the "Cause" column, please consult your dealer or servicer. Diagnosing Problems Using Error Codes Error code *1 (PCB *2 RC M-NET) Error type Cause (Installation/Setting error) Cause (Parts problems) Error reset *3 Unit side (PCB) Remote SWS1 Operation SW 0100 Unreset errors Some of the errors have not been reset. 4106 (254) Power failure Power failure occurred when the operation switch is switched on. 4106 (255) Power supply fault • Transmission power board fault 2613 Water flow drop • Water flow control valve fault • Pump fault 1301 Vacuum protection fault • Outside temperature is below the minimum usage temperature. • Sudden frosting or heavy snow has clogged the heat exchanger. • Low-pressure sensor fault • Suction refrigerant temperature thermistor fault • Electric expansion valve fault on the main circuit • Fan motor error/broken motor wire • Refrigerant shortage (gas leakage) 1302 High pressure fault • Electronic expansion valve fault • High-pressure sensor fault • Water flow control valve fault • Pump fault 1104 Low evaporation temperature fault • Low-pressure sensor fault • Suction refrigerant temperature thermistor fault • Electric expansion valve fault on the main circuit • Fan motor error/broken motor wire • Refrigerant shortage (gas leakage) 2601 Water supply cutoff (Water flow rate sensor) Water flow drop • Water flow control valve fault • Pump fault • Water flow rate sensor 2601 (2) Secondary side water supply cutoff error Water circuit air entrainment, water strainer clogged Flow sensor fault, pump fault, motor- operated valve fault, water flow rate control valve fault 2138 Outlet water temperature fault (low temp) • Fan motor error/broken motor wire • Refrigerant shortage (gas leakage) 61PDF Image | QAHV-N560YA-HPB
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CO2 Organic Rankine Cycle Experimenter Platform The supercritical CO2 phase change system is both a heat pump and organic rankine cycle which can be used for those purposes and as a supercritical extractor for advanced subcritical and supercritical extraction technology. Uses include producing nanoparticles, precious metal CO2 extraction, lithium battery recycling, and other applications... More Info
Heat Pumps CO2 ORC Heat Pump System Platform More Info
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