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Step 1
①
Mechanical Friction Noise
- When pump drain is operating,
it vibrates a little. If drain parts such as
drain hose are near other parts, it may
cause mechanical friction noise.
Step 2
①
Foreign materials in Pump Drain
- Open debris filter and check there are
foreign materials such as coins, pins etc.
②
Check pump drain impeller is broken.
Step 3
①
Check if the fixing part of Pump-Case is loosened.
- Check if the two bolts fixing Frame-Plate bottom
are loosened.
- Check if the fixing part of Pump-Case front is
loosened.
☞ Assemble the Pump-Case again.
②
One assembly part of Pump-Case front is loosened.
- Frictional noise is generated due to vibrating up
and down.
☞ Assemble Pump-Case again.
Check Point
Check the condition of Pump-Drain.
Tip 1-6. Pump Noise Abnormality