Fan running but no heat? Discover the common internal failures and how to fix them.
Aerosolized grease coats internal wiring and sensors, forcing heating elements to overheat and trigger fuses.
Most heating issues stem from a blown thermal fuse or a carbonized, welded control board relay.
Intermittent heating is often caused by oxidized potentiometers and loose, cold solder joints on the PCB.
Bypassing thermal safety circuits carries significant fire risks; proceed only if you are technically proficient.
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