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Rob, Home Appliance Technician
Category: UK Appliance
Satisfied Customers: 3409
Experience:  20 yrs. experience with a major worldwide manufacturer.
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My name is ***** *****, my zanussi zwg1120 is showing E21

Customer Question

Customer: Hi my name is ***** *****, my zanussi zwg1120 is showing E21 error it will not drain and very noisy when spinning
JA: Thanks. Can you give me any more details about your issue?
Customer: the machine stops at the spin wont drain for a few minutes and then says E21 when I press the on button again it drains very slowly and makes noise when spinning
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Submitted: 1 year ago.
Category: UK Appliance
Expert:  bonzaco replied 1 year ago.

E21 is and indication that the appliance is unable to pump the water out of the tub assembly, this may be due to -

a. A blocked pump filter

b. A faulty drain pum

c. Blocked drain pipe

d. Faulty main control board.

Check the first three and then come back to me, if you need further help to carry these out come back to me. - Ian

Customer: replied 1 year ago.
I know all that from the machine manual. The pump filter isnt blocked. The drain pipe isnt blocked. This is no help at all.