Hitachi YUTAKI Series - Page 205

203
Troubleshooting procedure
SMGB0066 rev.0 - 12/2009
Troubleshooting
Service Manual
7
 


• ThealarmcodeisdisplayedonthePCB´sdisplay
– This alarm code is displayed when wrong settings is performed in DIP switch on PCB or prohibited operation is
performed.
No
Is the alarm activated and
unitstoppedduringoperation?
Turn OFF the power and set
the DIP switches correctly
Yes
Duetoincorrectoperation,
the unit gets stopped by the
alarm action.
Do not perform it.
No
It is changed to setting mode
duringoperation?
Unit is normal.
Do not change to setting
mode during operation
Failure of PCB1
Yes
Is the setting of DIP switches
correct?
Failure of DIP switch on PCB1
Isthealarmactivatedjust
after the Power Supply is
turnedON?
Is the alarm reseted by the
stopoperation?
No
No
Yes
Yes
Yes
No
Failure of PCB1