Utica Overheating Electrical Component

Boiler emits a burning plastic or electrical smell during operation

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.

Possible Causes

Failing circulator motor, Overheating control board, Loose electrical connection causing arcing, Shorted wiring harness

Safety first: Turn off power immediately at the breaker. Do not continue to operate the boiler.

Visual inspection: After components cool, remove the front panel and inspect the control board, wiring, and pump for signs of melting, discoloration, or burn marks.
Tighten connections: Check terminal strips and wire nuts for looseness and tighten as needed.
Replace damaged parts: Any component showing signs of overheating should be replaced. Electrical diagnosis and replacement are best handled by a qualified technician.

Hard 4/5

Circulator Pump Motor

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