Aqualtis washing machine leaking fron underneath

This thread was marked as solved. Here's a summary of the problem and the fix, generated from the discussion below.

Aqualtis washing machine leaking underneath when not in use

The problem

Water was seeping from underneath the washing machine at the back, near the floor by the motor, around a sponge-wrapped open-ended tube with grit and debris. The leak could appear several hours or even a day after the machine was last used, and on one occasion appeared the day after the house water supply was turned back on, without the machine being run.

Likely cause

The accepted reply said the drain pump could slowly leak out water it was holding even when the machine is switched off, but this would usually be worse during use and would normally only account for about a pint of water. Because the leak appeared when the machine had not been used, a leak from the water supply side was also considered likely if the machine’s water supply had been left on. No exact failed part was confirmed.

What fixed it

Inspect the pump for signs of leakage such as rust and dried detergent residue, and check whether the leak is instead coming from the water supply side when the supply is left on. The exact repair was not confirmed in the discussion.

Checks to try

• Back and top were removed to trace the leak
• No sign of leak from the top
• No leak seen from the water inlet valve
• Drains were checked and appeared normal
• Water drawer was reported to be functioning properly
• Accepted advice was to inspect the pump for rust and dried powder residue