What F20 actually means
The washing machine's display board has lost contact with its Wi-Fi module, so the connected/app side of the machine isn't talking to the controls.
On these Hisense machines, F20 is raised when the display board cannot communicate properly with the Wi-Fi module fitted to it. The manufacturer's own notes say this code normally only appears during factory and board test routines, so seeing it on a machine at home usually points to a loose or unseated plug at the Wi-Fi module, or a fault on the display board itself. Washing performance is not affected by the fault itself \u2014 it is the smart/connectivity side that has dropped out.
What usually causes it
- Wi-Fi module connector unseated or partly detached from the display board
- Damaged or pinched wiring between display board and Wi-Fi module
- Faulty Wi-Fi module
- Faulty display board (PCB)
- Code triggered during a service or board test routine rather than by a real fault
What you can safely check yourself
Work through these in order. Anything beyond this — panels off, testing parts, anything to do with the wiring — is an engineer's job, and not one to attempt with the machine plugged in.
- Switch the machine off at the wall for a minute, then back on and restart the programme \u2014 a genuine one-off communication glitch clears this way
- If your machine is app-linked, check your home Wi-Fi is working and try re-pairing the machine through the app
When to call someone
This one usually needs an engineer once you have tried the checks above. We cover Nottinghamshire, Derbyshire and Leicestershire, and it's £66 including VAT for an engineer to come out and diagnose it — £84 in total if it's repaired on the visit with no parts needed. Any parts needed are quoted on site before we fit them — you decide. Every repair carries a 90-day workmanship guarantee.
Outside our area? The explanation above still stands — take it to a local engineer and tell them the code. Knowing it saves them time and you money.
Other Hisense washing machine codes
- Hisense F01 — The machine isn't getting enough water in the time it expect…
- Hisense F02 — The machine has detected too much water inside the drum and …
- Hisense F03 — The machine can't get the water out, so it has stopped mid-c…
- Hisense F04 — The washing machine's control electronics have reported a fa…
- Hisense F05 — The washing machine's control board has flagged a fault it c…
- Hisense F06 — The machine's control electronics have flagged a fault and s…
- Hisense F07 — The washing machine's control board has reported an internal…
- Hisense F08 — The machine has detected the motor drawing too much current …