Hitachi SAMURAI Series Service Manual page 7

General Index
3.4.9 Contactors (CMC, CMCD, CMCS) ................................................................................................................ 86
3.4.10 Fuses (EF1, EF2, EF3. EFR, EFS, EFT) .................................................................................................... 86
3.4.11 Fuses (PFC) ................................................................................................................................................ 87
3.4.12 Relays ......................................................................................................................................................... 88
3.4.13 Main Switch ................................................................................................................................................. 89
4. Troubleshooting ......................................................................................................... 91
4.1 Inspection of power source and connections ........................................................................................ 92
4.2 Inspection of PCB.................................................................................................................................. 93
4.3 Confirmation of operating value of protection devices and automatic operation devices ..................... 93
4.4 Protection control function ..................................................................................................................... 94
4.5 Caution indication .................................................................................................................................. 95
4.6 Summary of fault diagnosis ................................................................................................................... 96
4.7 Method for fault diagnosis ..................................................................................................................... 98
4.8 Troubleshooting by alarm code ............................................................................................................. 99
4.9 Analysis and countermeasure of abnormalities................................................................................... 123
4.10 Thermistor characteristics ................................................................................................................... 127
4.10.1 Thermistor temperature characteristics (All temperature except discharge gas) ...................................... 127
4.10.2 Thermistor temperature characteristics for discharge gas temperature .................................................... 127
4.11 Pressure sensor characteristics .......................................................................................................... 128
4.11.1 High-pressure sensor ................................................................................................................................ 128
4.11.2 Low-pressure sensor ................................................................................................................................. 128
4.12 Procedures for trouble ......................................................................................................................... 128
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SMGB0097 rev.0 - 07/2015