Dunkirk Error E28: Blower
The control receives no speed signal from the combustion blower / fan - the blower is not running or is defective. Without proven airflow the boiler cannot safely fire, so it enters hard lockout. Display shows 'E28'; manual RESET required. We diagnose and repair it across Greater Vancouver — same-day and after-hours.
The control receives no speed signal from the combustion blower / fan - the blower is not running or is defective. Without proven airflow the boiler cannot safely fire, so it enters hard lockout. Display shows 'E28'; manual RESET required.
Dunkirk fault codes can vary by model and series. Use this as a guide — the same code can have more than one cause. Our Technical Safety BC–licensed technicians read the code, confirm it against your unit's manual, and diagnose the true cause before any repair.
Likely causes of Dunkirk error E28
- Failed combustion blower motor
- Loose or damaged blower wiring / line-voltage connector
- Failed control module blower driver
- Seized fan (debris or bearing failure)
What you can safely check
- Listen for the blower attempting to start on a call for heat
- Confirm the boiler has power and the service switch is on
Beyond these checks, do not open the unit or touch gas/electrical parts — BC law requires a licensed gas fitter. Call us for a proper diagnosis.
Error E28 usually leaves you without heat or hot water and can indicate a safety-related fault. Don't keep resetting it — call for priority after-hours Dunkirk repair.
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For your safety and to keep your manufacturer warranty valid, BoilerPart.ca does not sell loose boiler parts over the counter or for self-installation. Under BC regulations, gas appliance components must be installed by a licensed gas fitter. Every part we source is genuine OEM and is professionally fitted, tested, and certified by our Technical Safety BC–licensed technicians as part of a complete repair or installation.
Parts often behind Dunkirk error E28
Genuine Dunkirk parts we supply and professionally install — never for DIY.
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Dunkirk Error E28 Repair Across Metro Vancouver
Frequently Asked Questions
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