SDMO
Incomplete Combustion / Low Cylinder Temperature
Excessive white smoke from the exhaust, especially on cold start, with rough running.
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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
Faulty glow plugs on the SDMO diesel engine, Low compression due to engine wear, Water contamination in fuel, Incorrect injection timing
How to Fix / Troubleshooting
Safety first: Run the generator in a ventilated area. Avoid prolonged operation with severe misfiring.
- Check glow plug operation: Verify the preheat indicator on the SDMO controller and test the glow plugs and relay as described in glow plug fault procedures.
- Inspect fuel quality: Drain water from fuel filters and water separators. Replace the filters and refill with clean fuel.
- Warm-up period: Allow the engine to warm up at no load for several minutes before applying load to reduce white smoke.
- Seek engine specialist: Persistent white smoke with oil consumption may indicate internal engine wear or head gasket issues requiring professional repair.
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Repair Difficulty
Hard
4/5
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