Hitachi RAS-(4-6)HVRNS2E - Page 8

viii
Contens
SMGB0064 rev.0 - 08/2011
8.1.3 Abnormal transmission between the remote control switch and the indoor unit .......................................... 198
8.1.4 Abnormal operation of the devices .............................................................................................................. 198
8.2 Troubleshooting procedure for IVX an ES Series ...................................................................................204
8.2.1 Alarm code ................................................................................................................................................. 204
8.2.2 Troubleshooting in check mode ................................................................................................................... 283
8.2.3 Troubleshooting by means of the 7-segment display .................................................................................. 290
8.2.4 Troubleshooting by means of the ashing alarm LEDs for RPK-FSN2M .................................................... 294
8.2.5 Cause of inverter stoppage ......................................................................................................................... 295
8.3 Procedure for checking each main part ................................................................................................. 299
8.3.1 Self-checking procedure of PCB by means of the Remote Control Switch ................................................. 299
8.3.2 Self-checking of the remote control switch .................................................................................................. 301
8.3.3 Self-Checking procedure of the Indoor Unit PCB (only for RPK) ................................................................ 303
9. Spare Parts.................................................................................................................. 325
9.1 Spare parts for IVX Series ......................................................................................................................326
9.2 Spare parts for ES Series .......................................................................................................................341
10. Servicing ................................................................................................................... 359
10.1 Introduction ...........................................................................................................................................360
10.2 Servicing for IVX series ........................................................................................................................361
10.2.1 Outdoor unit RAS-3HVRNM2E ................................................................................................................. 361
10.2.2 Outdoor units RAS-(4-6)H(V)RNM2E ........................................................................................................ 372
10.2.3 Oudoor units RAS-(8-12)HRNM ................................................................................................................ 385
10.3 Servicing for ES Series .........................................................................................................................401
10.3.1 Outdoor Units RAS-(2/2.5)HVRN2 and RAS-3HVRNS2 ........................................................................... 401
10.3.2 Outdoor Units RAS-(4-6)H(V)RNS2E ........................................................................................................ 408
10.3.3 Outdoor Units RAS-(8/10)HRNSE ............................................................................................................. 420
11. Electrical checks of main parts ............................................................................... 439
11.1 Inverter ..................................................................................................................................................440
11.1.1 Inverter for IVX Series ............................................................................................................................... 440
11.1.2 Inverter for ES Series ................................................................................................................................ 445
11.2 Thermistor .............................................................................................................................................451
11.3 Electronic expansion valve ................................................................................................................... 453
11.4 High pressure protection device ........................................................................................................... 454
11.5 Noise lter (NF) .....................................................................................................................................455
11.5.1 Noise lter for 3N~ ..................................................................................................................................... 455
11.5.2 Noise lter for 1~ ....................................................................................................................................... 456