Another 55,000 washing machines in UK homes should stop being used and need repairing or replacing owing to a fire risk.
An extra 21 models have been added to the list of 524,000 Hotpoint and Indesit machines being recalled.
Owners may have checked previously and been told their machines were safe, only now to need to check again.
Whirlpool, which owns the brands said the recall programme was ongoing despite coronavirus restrictions.
Who is affected?
About 20% of the Hotpoint and Indesit washing machines sold since 2014 are affected by a safety fault and need to be recalled, a process that started in January.
Seventy-nine fires are thought to have been caused by an overheating door locking system, a fault that develops over time, according to Whirlpool.
The company said it had located 210,000 of those appliances, and had resolved 177,000 of those so far.
Now, another 55,000 have been added following further investigations. With 21 Hotpoint models added to the list, the total