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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 4220 4225 (108) Inverter error Voltage related problems during operation Bus voltage drop protection Momentary power failure/power failure Power supply voltage drop (Inter-phase voltage is 180 V or below.) Voltage drop • INV board CNDC2 wiring fault • INV board fault (4220) • Fan board fault (4225) • 72C fault • Diode stack failure 4220 4225 (109) Bus voltage rise protection Incorrect power supply voltage • INV board fault (4220) • Fan board fault (4225) 4220 4225 (111) Logic error Malfunction due to external noise interference • Faulty grounding • Improper transmission and external wiring installation (Shielded cable is not used.) • Low-voltage signal wire and high- voltage wire are in contact. (Placing the signal wire and power wire in the same conduit) • INV board fault (4220) • Fan board fault (4225) 4220 4225 (131) Voltage meter error at start up (Bus voltage drop protection at start up (detected by the Main unit side)) Power supply voltage drop • INV board fault (4220) • Fan board fault (4225) 4230 4235 Heatsink fault (Heatsink overheat protection) Power supply voltage drop (Inter-phase voltage is 180 V or below.) Clogged heatsink cooling air passage • Fan motor fault • INV board fan output fault • THHS sensor fault • IPM error (loose terminal screws, cracked due to swelling) 4240 4245 Overload protection Short-cycling of air (reduced air flow) Clogged heatsink cooling air passage Power supply voltage drop (Inter-phase voltage is 180 V or below.) • THHS sensor fault • Current sensor fault • INV board fan output fault • INV circuit fault • Compressor fault 5301 5305 (115) ACCT sensor fault • INV board fault • Ground fault of the compressor and IPM error 5301 5305 (116) DCCT sensor • Poor contact at the INV board connector CNCT • Poor contact at the INV board connector DCCT • Ground fault of the compressor and IPM error 5301 5305 (117) ACCT sensor/circuit fault • Poor contact at the INV board connector CNCT2 (ACCT) • ACCT sensor fault 5301 5305 (118) DCCT sensor/circuit fault • Poor contact at the INV board connector CNCT • Poor contact at the INV board connector DCCT • DCCT sensor fault • INV board fault 5301 5305 (119) Open-circuited IPM/loose ACCT sensor • Disconnected ACCT sensor (CNCT2) • ACCT sensor fault • Broken compressor wiring • INV circuit fault (IPM error etc.) 5301 5305 (120) Faulty wiring • ACCT sensor is connected in the wrong phase. • ACCT sensor is connected in the wrong orientation. 5110 (01) (05) THHS sensor/circuit fault • THHS sensor contact failure • THHS sensor fault • INV board fault 0403 (01) (05) Serial communication error • Communication error between control board and INV board (noise interference, broken wiring) IPM system error INV board switch setting error • Wiring or connector connection between connectors on IPM-driven power supply circuit • INV board fault 64PDF 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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