Camus Error Blocked Flue Error: Blocked Flue Switch Tripped
Automatic-reset code: the blocked-flue switch has tripped, indicating restricted exhaust / venting. The DynaMax control halts firing until the condition clears. Documented in the DynaMax DMH081 Automatic Reset Codes table (internal code 66). We diagnose and repair it across Greater Vancouver — same-day and after-hours.
Automatic-reset code: the blocked-flue switch has tripped, indicating restricted exhaust / venting. The DynaMax control halts firing until the condition clears. Documented in the DynaMax DMH081 Automatic Reset Codes table (internal code 66).
Camus 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 Camus error Blocked Flue Error
- Blocked or restricted flue / vent terminal (snow, debris, nests)
- Sagging, disconnected or improperly sloped vent piping
- Condensate blockage in the vent or condensate trap
- Excessive vent length or undersized vent
- Faulty blocked-flue switch
What you can safely check
- Check the outside vent terminal is clear of snow, leaves or debris
- Make sure nothing is leaning against or covering the vent
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 Blocked Flue Error 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 Camus repair.
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Parts often behind Camus error Blocked Flue Error
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Camus Error Blocked Flue Error Repair Across Metro Vancouver
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