5.1 Control....................................................................................................................................................................... 32
5.1.1 Compressor control........................................................................................................................................ 32
5.1.2 Inverter PWM frequency control................................................................................................................... 32
5.1.3 PFC control ..................................................................................................................................................... 32
5.1.4 Stator heater control...................................................................................................................................... 32
5.1.5 Status monitor ............................................................................................................................................... 32
5.1.6 User parameters initialization ....................................................................................................................... 32
5.1.7 Status/ history fault record............................................................................................................................ 32
5.2 Protections................................................................................................................................................................ 32
5.2.1 Frequency-skip frequency ............................................................................................................................. 32
5.2.2 Current limitation .......................................................................................................................................... 32
5.2.3 Compressor current protection (SW) ............................................................................................................ 32
5.2.4 AC current protection .................................................................................................................................... 32
5.2.5 IPM over-temperature protection................................................................................................................. 32
5.2.6 PFC over-temperature protection ................................................................................................................. 32
5.2.7 DLT protection................................................................................................................................................ 32
5.2.8 HPS protection ............................................................................................................................................... 32
5.2.9 Compressor current protection (HW)............................................................................................................ 32
5.2.10 AD-offset abnormal fault............................................................................................................................. 32
5.2.11 Compressor/VAC lost-phase protection...................................................................................................... 32
5.2.12 Compressor frequency abnormal fault ....................................................................................................... 32
5.2.13 VDC over/under-voltage protection............................................................................................................ 32
5.2.14 VAC over/under-voltage protection............................................................................................................ 32
5.2.15 Charge circuit fault....................................................................................................................................... 32
5.2.16 EEPROM data abnormal fault...................................................................................................................... 32
5.2.17 Communication fault ................................................................................................................................... 32
5.2.18 MCU self-check fault.................................................................................................................................... 32
5.2.19 IPM temperature sensor abnormal fault .................................................................................................... 32
5.2.20 PFC temperature sensor abnormal fault..................................................................................................... 32
5.3 Communication Protocol.......................................................................................................................................... 32
6. FAULT CODE TABLE...........................................................................................................33
6.1 Status indicator description...................................................................................................................................... 33
6.2 Fault code table ........................................................................................................................................................ 33
6.3 All major fault summary and possible cause checklist............................................................................................ 34
7. USB PROGRAMMING ......................................................................................................36
7.1 Introduction .............................................................................................................................................................. 36
7.2 Programming............................................................................................................................................................. 36
8. CERTIFICATION.................................................................................................................38
8.1 Safety standards ....................................................................................................................................................... 38
8.2 EMC standards .......................................................................................................................................................... 38
9. APPENDIX ........................................................................................................................40
9.1 Product parameter.................................................................................................................................................... 40
