3.2 Comp Low- pressure Protection E3 .......................................................................................... 118
3.3 Comp Discharge Temp Protection E4 ...................................................................................... 119
3.4 Overload Protection of Compressor or Driver Error ................................................................. 120
3.5 DC Fan Error EF ....................................................................................................................... 121
3.6 Temperature Sensor Error ........................................................................................................ 121
3.7 Communication Malfunction E6 ................................................................................................ 122
3.8 Capacity Switch Error (Code:"C5") ........................................................................................... 123
4 Diagnosis of Driving ............................................................................................................................ 124
4.1 Diagnosis Flowchart of Driving of Single-phase Unit and Three-phase Unit ........................... 124
5 Daily Maintenance and Repair ............................................................................................................ 129
5.1 Daily Maintenance .................................................................................................................... 129
5.2 Troubleshooting ........................................................................................................................ 130
5.3 Repair ........................................................................................................................................ 131
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