Air Fryer
E5
The E5 error code on a Russell Hobbs air fryer signals an overheating fault — the appliance has detected that its internal temperature has exceeded a safe operating limit. It’s a safety-first shutdown, so take it seriously but don’t panic; in most cases it’s fixable at home.
What does this error mean?
The E5 code means the air fryer’s thermal sensor has registered a temperature beyond its safe threshold, typically caused by restricted airflow or a malfunctioning heating element. The appliance deliberately cuts power to prevent damage or a fire risk. Until the root cause is resolved, the unit will refuse to operate normally and may continue displaying E5 even after cooling down.
Est. repair cost
£40–£80 professional repair; £8–£20 DIY NTC sensor part (if confident with electronics); replacement unit £50–£90
🔍 Likely causes
🛠️ Step-by-step fix
Switch off and unplug immediately — do not attempt to restart while hot; leave the unit on a heat-safe surface for at least 30 minutes to cool completely
Check and clear the vents — inspect the rear and base intake vents for grease or debris; use a soft brush or dry cloth to clear any blockage (never use water near the vents)
Clean the heating element and basket — once cooled, remove the basket and drawer, wipe the interior and heating coil with a damp cloth and washing-up liquid, then dry thoroughly before reassembly
Reposition the appliance — ensure there is at least 10 cm of clear space on all sides and above the unit, away from walls, cupboards, and microwaves
Reset the unit — plug back in and run a short test at 180°C for 5 minutes with an empty basket; if E5 clears, the issue was heat-related and is now resolved
If E5 returns immediately or persists after cleaning and repositioning, the NTC temperature sensor or control board is likely faulty — stop using the appliance and seek professional repair or replacement
📞 When to call a professional
If the E5 code returns after you’ve cleaned the unit, ensured proper ventilation, and performed a reset, the internal temperature sensor (NTC thermistor) or the main PCB is likely defective — both require component-level repair that means opening the appliance casing, which is not safe to DIY. Contact Russell Hobbs customer support (0333 220 6066) if the appliance is under warranty, or take it to a local small appliance repair shop and tell them: ‘E5 overheating fault, likely NTC sensor or PCB issue.’
⚖️ Repair or replace?
A professional repair for a faulty NTC sensor or PCB on a Russell Hobbs air fryer typically costs £40–£80 in labour alone — often more than the appliance is worth, since entry-level Russell Hobbs air fryers retail for £50–£90 new. If the unit is over two years old and out of warranty, replacement is almost always the better value. If it’s under two years old, raise a warranty claim with Russell Hobbs before spending a penny on repair.