3136 8017 12-B

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Brokk AB PO Box 730 SE-931 27 Skellefte SwedenTel: +46 910 711 800 Fax: +46 910 711 811E-mail: No: 3136 8017 12-BGB???Id: 5General 5Troubleshooting method 5To call service personnel 6Aids 6Fault symptoms quick guide 7The electric motor does not start 7Diesel engine does not start 7Fuse F7 blows 8Fuses at power transformer blow at start attempt 8Over load relay F2 trips at start up 8Overload relay F2 trips during operation 8The machine operates but reduces in speed when a function is affected 9The engine runs but there is no hydraulic function 9The functions of the machine have no power 9All functions have power but the arm and tool functions operate slowly 10A single function operates slowly in A- or B- direction 10A

TS-000647-A.indd 8 Fuse F7 blows Defective phase sequence relay or power transformer. Fuses at power transformer blow at start attempt Too low voltage, …

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