SDMO
Inadequate Ventilation / Overheating Enclosure
SDMO generator enclosure becomes very hot; internal components show signs of heat stress but no specific alarm is active.
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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
Blocked air intake or exhaust louvers, Failed enclosure ventilation fan, Generator room too small or poorly ventilated, Excessive ambient temperature
How to Fix / Troubleshooting
Safety first: Avoid touching hot surfaces. Ensure adequate clearance around the generator.
- Inspect louvers and grilles: Remove debris, dust, and obstructions from SDMO canopy air intakes and exhaust outlets.
- Check ventilation fans: Verify that any auxiliary fans in the generator room or enclosure are operating. Replace failed fans.
- Improve airflow: Ensure that the generator room has sufficient inlet and outlet openings as per SDMO installation guidelines.
- Monitor temperatures: Use the controller to monitor coolant and alternator temperatures. If they approach limits, reduce load or improve cooling.
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Repair Difficulty
Medium
3/5
Required Part
Enclosure Ventilation Fan
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