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dryer interior and duct:
The interior of the appliance and exhaust
duct should be cleaned once a year by qualified service personnel.
the exhaust duct:
Inspect and clean the exhaust ducting at least once
a year to prevent clogging. A partially clogged exhaust can lengthen the
drying time.
Follow these steps:
1. Turn off electrical supply by disconnecting the plug from the
wall socket.
2. Disconnect the duct from the dryer.
3. Vacuum the duct with the hose attachment and reconnect the
duct.
the exhaust hood:
Check with a mirror that the inside flaps of the hood
move freely when operating. Make sure that there is no wildlife (birds,
insects, etc.) nesting inside the duct or hood.