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Beautiful U-BixCP2 copier always preheat indicator does not go out troubleshooting methods

Time£º2014-01-30 09:41:43  Source£ºNetwork  Author£ºUnknown  Clicks£º1239
  
1. Fixing heater does not reach the rated temperature. 
 
2 ICI internal trigger circuit failure. 
 
3 SCR trigger circuit IC2 bad inside. 
 
4 SCR trigger circuit IC4 internal damage. 
 
Internal trigger circuit IC6 5 SCR bad. 
 
6 SCR trigger circuit TR1 internal damage. 
 
TR2 internal trigger circuit 7. Thyristor failure.