Hitachi YUTAKI Series - Page 226

Troubleshooting
Service Manual
224
Checking procedure for main parts
SMGB0066 rev.0 - 12/2009

1.
RemovethefanmotorconnectorfromthecontrolPCB,ISPMor
DIP-IPM.
2.
Connect the black test lead of the tester to the black wire pin of
the fan motor connector
3. Connect the red test lead to the wire connector pin to be checked
Results
Normal:
Observed values will be close to the normal values in the table
below
Faulty:
Observed values will be deviated from the normal values in the
table below.
Generalyanopen-circuitfaultshows∞,andashort-circuitfault
showsseveralΩ-kΩ.)
Internal electronic circuit fault of the fan motor including short-circuit and breakage can be checked.
 

   
RHUE-(3~6)A(V)HN SIC-68FV-D851-7.8 1MΩorgreater 42-78KΩ 168-312KΩ 1MΩorgreater


 
   W
Solenoid valve for gas bypass
105-52-52 (50Hz)
1540.00
at 20 ºC
Solenoidvalveforliquidinjection 105-52-52 (50Hz)
1540.00
at 20ºC
Reversing valve STF-01AJ502D1 (50Hz)
1435.00
at 20ºC
Compressor motor
RHUE-(3/4)AVHN
EK306AHD-27A2
0.24
at 20ºC
EK406AHD-36A2
0.20
at 20ºC
RHUE-(5/6)AVHN
RHUE-(5/6)AHN
EK405AHD-36D2
0.239
at 20ºC