If you have a washing machine with a screen (LCD display) - electronic, and the error F17 is lit, or electromechanical Indesit machine (when there is no display), the lights "Extra rinse" (with speed) and "Spin" or flashing light "Delayed Washing" and "Spin"
This is what error F17 looks like on a washing machine without a screen when only the lights are on or flashing:

Contents
What does this error code mean?
The hatch of washing machine is not blocked, there is no hatch lock
Indesit error codes
You turn on the washing mode, but nothing happens, also when you turn on the washing the indication of the lock lights up.
Checking with your own hands-solving
- Carefully inspect the cuff, it often happens that something prevents the door from closing;
- Often, especially in the countryside is not enough power 220 volts, the voltage should not be less than 200 volts, so the washing does not begin;
- Open the door of the washing machine and check whether anything got into the hole in the hatch lock is sometimes clogged.
Replace and repair
- Check control board, replace or repair if necessary;
- Check the hatch locking tab, replace with a new one if necessary;
- Replace the device locking the hatch (Ubl)
Other errors of washing machines:
- Error code F15: The heating element with dryer is defective
- Error code F16: The drum of the washing machine is blocked