Indesit HOTPOINT HVL200UK Service Information page 14

F17: No supply to door lock or door open
Check door closed and efficiency of door catch.
Check efficiency on module edge connector J4.
Remove edge connector on module J4 and check wiring and contacts on all connections.
If all above are OK replace door lock, module or eeprom as required.
F18: Communication Error - 3 Phase Motor Control (only)
Change Power Module.
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