Troubleshooting - Hitachi RCUE40AG2 Service Manual

Troubleshooting

Content
5. Troubleshooting .......................................................................................................83
5.1. Initial check ........................................................................................................................................... 84
5.1.1. Check of power supply and connection ....................................................................................................... 84
5.1.2. Check on PCB.............................................................................................................................................. 85
5.1.3. Confi rmation of activation value of protection device an Automatic operation device ................................. 96
5.1.4. Individual indication for activation of protection device ................................................................................ 97
5.1.5. Modifi cation of PCB
5.1.6. Check function ........................................................................................................................................... 104
5.2. Troubleshooting .................................................................................................................................. 108
5.2.1. Outline of failure diagnosis ......................................................................................................................... 108
5.2.2. Alarm indication.......................................................................................................................................... 109
5.2.3. Failure diagnosis method ............................................................................................................................ 111
5.3. Analysis and countermeasure of abnormal running ........................................................................... 141
5.4. Thermistor characteristics .................................................................................................................. 145
5.4.1. Thermistor temperature characteristics (All temperature except discharge gas) ....................................... 145
5.4.2. Thermistor temperature characteristics (Ambient) ..................................................................................... 146
5.4.3. Thermistor temperature characteristics (Discharge gas temperature) ....................................................... 147
pag. 83
SMGB0003 rev.0 - 01/2007
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T r o u b l e s h o o t i n g
confi guration ............................................................................................................ 100
C
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