Open the dryer's door and pull out both inner and outer filter.
Pour 1 litre of hot water at 60 ℃ into the lint filter compartment and then reinsert the both lint filters.
Pouring more that 1.5 litres of water into the compartment will cause water to leak back out.
Pouring hot water over 60 ℃ will cause malfunctions to the appliance or burn.

Turn on the appliance and operate the Normal Dry programme about for 30 seconds. Then wait about 30 minutes.
Operate the Normal Dry programme again. Check if the No drainage message will appear within 10 minutes after operating the appliance.
When the No drainage message appears go to step 2 and repeat procedure.
Nothing appears on the display when the thawing is done.
Dry the clothes as usual.