Hitachi SAMURAI Series Service Manual page 7

General Index
3.4.10 Fuses (EF1, EF2, EF3. EFR, EFS, EFT) .................................................................................................... 84
3.4.11 Fuses (PFC) ................................................................................................................................................ 85
3.4.12 Relays ......................................................................................................................................................... 86
3.4.13 Main Switch ................................................................................................................................................. 87
4. Troubleshooting ....................................................................................................... 89
4.1 Inspection of power source and connections ........................................................................................ 90
4.2 Inspection of PCB.................................................................................................................................. 91
4.3 Confirmation of operating value of protection devices and automatic operation devices ..................... 91
4.4 Protection control function ..................................................................................................................... 92
4.5 Alarm indication ..................................................................................................................................... 93
4.6 Summary of fault diagnosis ................................................................................................................... 94
4.7 Method for fault diagnosis ..................................................................................................................... 96
4.8 Troubleshooting by alarm code ............................................................................................................. 97
4.9 Analysis and countermeasure of abnormalities................................................................................... 121
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
V SMGB0120 rev.0 - 11/2017