Brother International Entrepreneur Pro PR-1000 Users Manual - English - Page 295
Remove any knots or tangles.
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Symptom Probable Cause Sliding surface on hook is not smooth. There are burns on it. Remedy Reference Page Consult your nearest Brother dealer. The upper thread breaks. 1 Hook race area The thread is loose in the hook area. The play between the hook and the race is too much. The hook does not rotate smoothly. The space between the hook stopper and the hook cannot be adjusted. The upper thread is not threaded correctly. Remove the loose thread. If the thread is tangled in the hook, clean the hook. Consult your nearest Brother dealer. Remove lint, clean and apply oil. Consult your nearest Brother dealer. Pull the upper thread by hand from below the presser foot, and check that the thread moves smoothly. If the thread does not move smoothly, it is not correctly threaded. Un-thread the machine and re-thread the machine. Make sure the thread is correctly positioned in the needle bar thread guide. p.282 p.282, 287 p.56-59 Upper thread is not positioned in upper or middle thread guide. Make sure thread passes completely under upper and middle thread guide. p.56-59 There are knots or tangles in the thread. Remove any knots or tangles. The upper thread tension is too Decrease the upper thread high. tension. p.123 The lower thread tension is incorrect. The thread does not roll out of the bobbin case smoothly. Adjust the lower thread tension. p.122 The bobbin case is damaged. Replace the bobbin case with a new one. p.35 7 Check that the bobbin is wound so that it is about 80% full and that the thread is The bobbin thread is not wound evenly wound. If the bobbin is correctly. not correctly wound, replace p.35 the bobbin with one that is correctly wound or rewind the bobbin. A bobbin designed specifically for this machine is not used. Use the correct bobbin. p.35 The automatic needle-threading Consult your nearest Brother mechanism is broken. dealer. Troubleshooting 293