Have a hatachi EX120-2 that was blowing 1 amp fuse . Operator ran out of 1amp fuses and decided to replace it with a 5amp fuse causing the PVC controller Part#910497 to burn a resister . Ordered new PVC controller and installed with new 1amp fuse and rechecked all fuses for correct amperage . Now the resister burnt in the new PVC controller after 30 minutes of running machine instead of the fuse . Ive removed the wire harness and inspected with out seeing anything obvious . ( I have replied to this Thread http://ift.tt/1OKYDjQ But think it would be better to start another . ) Anyone has any reason why the resistor would burn instead of fuse , and what parts would be in consideration to replace . I will try to replace the resister and repair the PVC my self , problem is finding a 4watt 10 ohm resister . I've attached pictures of the burnt PVC , the good EC with the same 4watt 10ohm resister . Thanks in advance , hope this helps somone else in the future .
Hatachi EX120-2 burning pvc resister
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