Phenomenon11:
Send out a different tone.
Reason:
1.Seal ring wear.
2.Internal gear wear.
3.Drive part missing oil.
4.Motor failure.
Exclude:
1.Please replace the sealing ring.
2.Please stop using it immediately,and contact our company.
Phenimenon12:
Pressure leakage vacuum degree is not good.
Reason:
1.Glasss rotating shaft wear.
2.Seal ring wear.
3.Mounting of sealing rings(opposite).
4.Sealing washer for pressure reducing gas nozzle.
5.Vacuum hose aging.
Exclude:
1.Please replace teh glass rotating shaft.
2.Please replace the sealing ring.
3.Please re install the sealing ring.
4.Please replace the air nozzle sealing washer.
5.Please replace the vacuum hose.
Phenimenon13:
Abnormal lift.
Reason:
1.Circuit board or motor failure.
2.Sliding bearing wear or rust.
Exclude:
Please stop running immediately and contact the company.

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