Haier
All Haier Oven / Range Error Codes
Every known Haier oven / range error code with plain-English explanations, difficulty ratings, and step-by-step DIY fix guides.
4 error codes
F1
The oven temperature has exceeded safe limits or the control board has a fault.
Critical / Safety Risk
30–60 minutes
F3
The oven temperature sensor circuit is reading as open (disconnected).
Moderate Repair
20–40 minutes
F5
The control board has detected a relay circuit malfunction.
Critical / Safety Risk
30–50 minutes
F9
The oven door lock mechanism has failed to engage or disengage.
Moderate Repair
25–50 minutes