Siemens
Exhaust Fume Intrusion / Venting Problem
Strong exhaust smell or visible exhaust fumes inside nearby building when generator runs.
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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
Improper exhaust routing, Exhaust leak at manifold or joints, Generator installed too close to air intakes, Damaged exhaust flex connector
How to Fix / Troubleshooting
Safety first: Exhaust contains carbon monoxide, which is deadly. Evacuate affected areas and ventilate immediately. Do not operate the generator until the issue is corrected.
- Inspect exhaust system: With the engine off and cool, check all exhaust joints, flex connectors, and the manifold for soot marks or loose fasteners indicating leaks.
- Tighten or replace components: Tighten loose clamps and flange bolts. Replace damaged gaskets or flex connectors.
- Check exhaust routing: Ensure the exhaust outlet is directed away from buildings and air intakes, following Siemens installation guidelines.
- Consult installer: If exhaust routing is inadequate, have a qualified installer redesign and reroute the exhaust system.
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Repair Difficulty
Hard
4/5
Required Part
Exhaust Flex Connector
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