What to check first
Can I keep using it?
Do not keep using the appliance while this warning is active.
Do not keep using the appliance if the code points to voltage, wiring, control power, burning smell, smoke, or a possible miswired supply.
- Safe next step
- Use only safe owner-level power checks, then involve a qualified technician or electrician when the source points to wiring or supply voltage.
- Stop when
- Breakers trip, lights dim, the appliance smells hot, wiring may be miswired, or the warning returns after a safe reset.
Do not keep running the appliance when water is visible, a leak warning is active, or water could reach wiring or controls.
- Safe next step
- Stop the cycle if safe, turn off water when appropriate, protect the floor, and avoid repeated resets until the leak source is understood.
- Stop when
- Water is near wiring, cabinetry is getting wet, the leak returns, or the source is not safely visible.
Safety boundaries
Safe first
- Match the exact brand, appliance type, and displayed code first.
- Use the model manual as the final authority for access steps.
- Disconnect power before any service-access step.
Do not do this
- Do not keep running the appliance while this code is active.
- Do not bypass locks, float switches, leak sensors, or other safety systems.
Common causes include
- The washer reports an internal data or control-communication condition
- Some display or control functions stop responding
- All display or control functions stop responding
Basic checks
- Record F18 and which display or control functions still respond before switching the washer off; do not repeatedly press controls to force a programme.
- Check only from outside for visible water, unusual heat, smoke, a burning smell, cord damage, or repeated breaker operation; any such sign means keep the washer off.
- When the floor, plug, outlet, and appliance are dry and there is no heat or burning smell, unplug the washer for at least two minutes as Indesit directs.
- Reconnect it, wait 30 seconds, and try one monitored start only; switch it off again if F18 returns or any display or control function remains unavailable.
Reset or retry steps
- Indesit UK specifies one minimum two-minute unplugged period, followed by reconnection, a 30-second wait, and one start attempt for F18.
- Do not repeat the reset if the code or function loss returns; an internal data error needs qualified diagnosis when the single attempt does not resolve it.
When to call a technician
- Arrange Indesit service if F18 remains after the documented reset, returns on the monitored start, or any display or control function still fails.
- Keep power off and seek prompt qualified help for smoke, a burning smell, unusual heat, repeated breaker operation, or moisture near electrical connections.
Before approving a paid visit, check warranty status and reviewquestions to ask before repair.
FAQ
What does Indesit Washer code F18 usually mean?
The Indesit UK guide documents F18 as an internal data error that may disable some or all display and control functions. Model context matters: The Indesit UK page allows one specifically timed power reset for F18 before service and does not publish an owner repair.
Can I keep using the washer with code F18?
Do not keep using the appliance until the visible issue has been checked and the relevant safety warnings have been addressed. Do not open the control console, reseat connectors, or perform live tests to investigate an internal data error.
When should I call a technician for Indesit F18?
Arrange Indesit service if F18 remains after the documented reset, returns on the monitored start, or any display or control function still fails. A qualified technician may check Electronic control and communication system against the model's service information before treating any part as failed.