F16
Hotpoint-Ariston
Triac or Power Control Device Fault
Oven shows F16; some models may lose control of temperature or fan speed.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Shorted triac on control board, Overheated power component, Incorrect load on output (shorted element or motor), PCB track damage
How to Fix / Troubleshooting
Safety first: Disconnect mains power. Component-level diagnosis should only be done by qualified persons.
Step-by-step checks:
- 1. Identify affected output: Note which function misbehaves (e.g. fan always on, element stuck on). This points to the specific triac or relay.
- 2. Inspect loads: Check the associated element or motor for shorts to earth or very low resistance that could have damaged the triac.
- 3. Visual PCB inspection: Look for cracked or burnt triacs, discoloured PCB around power devices, or blown tracks.
- 4. Replace board: In domestic repair, the recommended fix is to replace the entire Hotpoint-Ariston main control board rather than individual components.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board
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