Maintenance Due
Honeywell
Scheduled maintenance interval reached
Controller shows 'Maintenance Due', 'Service Soon', or similar reminder; generator still operates normally.
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Possible Causes
Run hours exceeded oil change interval, Time-based maintenance reminder, Missed previous service reset
How to Fix / Troubleshooting
Safety first: Turn OFF the generator and disconnect battery negative before performing maintenance.
Steps:
- Perform scheduled service: Change engine oil and oil filter, replace air filter and spark plugs, and inspect fuel system per the Honeywell maintenance schedule.
- General inspection: Check battery, cables, enclosure, and wiring for corrosion or damage.
- Reset maintenance timer: Use the controller interface to reset the maintenance interval according to the manual.
- Test run: After service, run a manual test to verify proper operation.
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Repair Difficulty
Easy
2/5
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