Brother International PQ-1500 Users Manual - English - Page 24

Trouble Shooting V Before taking your sewing machine in for service, check the following chart. Thread Breakage Upper threading is not threaded correctly. Re-thread machine properly. 9 Thread is getting tangled. Rethread machine. Clean bobbin case and under needle plate. Oil the machine. 8-10.19 Upper thread tension is too high. Reduce tension. 11 Bobbin Thread Breakage Skipped Stitches Bobbin thread is not passing correctly from bobbin case. Reinsert bobbin properly. 8 Needle is not attached correctly. Reattach. 6 Thread is getting tangled. Rethread machine. Clean bobbin case and under needle plate. 8-10.19 Wrong needle. See chart on p.11 to choose the needle that best fits your fabric-thread combination. 11 Bobbin tension is too high. Reduce tension. 11 Needle is bent, or tip is dulled. Change needles. 6 Fabric Puckers Fabric Won't Feed Properly or Irregular Stitches Threading is incorrect. Rethread machine. 8-10 Stitch length is too short. Adjust stitch length. 3 Wrong needle for the fabric and thread you are using. See chart on p.11 to choose the needle that best fits your fabric-thread combination. 11 Pressure of sewing foot is too weak. Increase foot pressure. 4 Upper thread tension is too high. Reduce tension. 11 Sewing heavyweight fabric with feed dogs in lightweight fabric position. Adjust feed dogs. 5 Loop In Seam Needle Breakage Upper threading is incorrect. Re-thread machine properly. 9 Needle is not attached correctly. Reattach. 6 Thread is not passing through bobbin case correctly. Reset bobbin case. 8 Wrong needle. Change needles. 6 Improper fabric/needle/ thread combination. See chart on p.11 for the right needle to use with your fabric and thread. 11 Improper fabric/needle/ thread combination. See chart on p.11 for the right needle to use with your fabric and thread. 11 Sewing Machine Doesn't Run The power isn't on. Turn the power on. Machine's not plugged in. The foot controller has come unplugged. 3 Check to make sure the machine's plugged in. 3 Reattach foot controller. 3 Machine Is The area under the needle plate needs to be cleaned. Machine is out of oil. Noisy Clean feed dog and bobbin case. 19 Oil the machine. 19 Automatic Needle Threader Doesn't Work Needle is not raised all the way up. Turn hand wheel to raise needle. 3 Wrong needle for the thread you're using. See chart on p.11. 11 Hook of needle threader doesn't pass through eye of needle. Check to make sure the hook isn't bent. Thread Cutter Needle is not properly attached. Doesn't Work Reattach. 6 20 Wrong needle. See chart on p.11 to choose the needle that best fits your fabric-thread combination. 11 Needle is bent, or tip is dulled. Change needles. 6 Improper fabric/needle/ thread combination. See chart on p.11 for the right needle to use with your fabric and thread. 11 Bobbin case is scratched. Remove needle plate and check bobbin case. Area under needle plate needs to be cleaned. Clean feed dog and bobbin case. Oil the machine. 19 Bobbin tension is too high. Reduce tension. 11 Thread is getting tangled. Rethread machine. Clean needle plate and bobbin case. 8-10.19 You're pulling the fabric too hard. Pull the fabric more gently. 13-16 Machine is out of oil. Clean and oil the machine. 19 Using the automatic needle threader incorrectly. Check the use of the auto- matic needle threader. 9 Area under needle plate needs to be cleaned. Clean feed dog and bobbin case. 19 Bobbin case is scratched. Remove needle plate and check bobbin case. Machine is not threaded properly. Rethread machine. 8-10 You're sewing a lightweight fabric with feed dogs in heavyweight position. Adjust feed dogs. 5 The automatic safety device has operated. Upper threading is incorrect. Rethread. 9 If you still cannot find the problem, please take your sewing machine into the shop where you purchased it, or your nearest Brother dealer for repair. Trouble Shooting Caring for Your Machine Basic Sewing Samples and Changing Needle Chart Presser Feet Threading Needles and Light Bulb Before You Begin Names of Parts CONTENTS Accessories Stitch Changing