What 77 77 Means
77 in both windows means Demo or Showroom mode, designed for store displays without the cooling system running. Electrolux’s guide says to unplug the unit for five minutes to disable it; the service data sheet shows it is entered with FZ UP and FF DOWN and exited by power-on reset.
Common Causes of 77 77
- Showroom mode left on from the store
- Keys pressed in combination by accident
🔧 One Safe Check You Can Try
Unplug the refrigerator for five minutes, then plug it back in. It should start cooling normally.
⚠ Why You Shouldn't Go Further Than That
- No repair is needed.
- If 77 77 returns after a power reset, the control may need attention.
Opening a panel to inspect or repair something yourself doesn't automatically cancel your manufacturer's warranty — but it can risk accidental damage, and some manufacturers do have specific service conditions. Check your product's warranty terms, or ask us, before deciding.